line-wired radio

- AM radio
- amateur radio
- antijam radio
- auto radio
- backpack radio
- battery-operated radio
- car radio
- CB radio
- cellular radio
- citizen-band radio
- clock radio
- college radio
- digital audio radio
- digital microwave radio
- diversity radio
- duplex radio
- fixed-frequency radio
- FM radio
- frequency-hopping radio
- ham radio
- land mobile radio
- line radio
- long-haul radio
- mains-operated radio
- microwave digital radio
- mobile radio
- one-way radio
- packet radio
- professional mobile radio
- public access mobile radio
- pulse radio
- satellite digital radio
- satellite-ready radio
- scanning radio
- short-wave radio
- simplex radio
- space radio
- specialized mobile radio
- stereophonic radio
- subscription digital radio
- subscription-based digital radio
- superheterodyne radio
- talk radio
- terrestrial digital radio
- Trans European trunked radio
- transistor radio
- tuned RF radio
- two-way radio
- wired radio

- AM radio
- amateur radio
- antijam radio
- auto radio
- backpack radio
- battery-operated radio
- car radio
- CB radio
- cellular radio
- citizen-band radio
- clock radio
- college radio
- digital audio radio
- digital microwave radio
- diversity radio
- duplex radio
- fixed-frequency radio
- FM radio
- frequency-hopping radio
- ham radio
- land mobile radio
- line radio
- long-haul radio
- mains-operated radio
- microwave digital radio
- mobile radio
- one-way radio
- packet radio
- professional mobile radio
- public access mobile radio
- pulse radio
- satellite digital radio
- satellite-ready radio
- scanning radio
- short-wave radio
- simplex radio
- space radio
- specialized mobile radio
- stereophonic radio
- subscription digital radio
- subscription-based digital radio
- superheterodyne radio
- talk radio
- terrestrial digital radio
- Trans European trunked radio
- transistor radio
- tuned RF radio
- two-way radio
- wired radio

line radio, wired radio

- 2D circuit
- 3D circuit
- absorbing circuit
- absorption circuit
- ac circuit
- acceptor circuit
- adaptive logic circuit
- additive printed circuit
- adjustable threshold logic circuit
- aerial circuit
- alive circuit
- aluminium-gate MOS integrated circuit
- aluminum-gate MOS integrated circuit
- AM detecting circuit
- analog circuit
- ancillary circuit
- AND circuit
- anode circuit
- antenna circuit
- anticlutter circuit
- anticoincidence circuit
- antihunt circuit
- antijamming circuit
- anti-Karp circuit
- antiresonance circuit
- antiresonant circuit
- antisidetone circuit
- aperiodic circuit
- application-specific integrated circuit
- approved circuit
- array integrated circuit
- astable circuit
- autodyne circuit
- automatic start circuit
- averaging circuit
- azimuth-sweep circuit
- back-plate circuit
- back-to-back circuit
- balanced circuit
- base-line marker circuit
- basic circuit
- beta circuit
- beta feedback circuit
- bias circuit
- bidirectional clamping circuit
- bilateral circuit
- bipolar circuit
- bipolar integrated circuit
- bistable circuit
- bistable multivibrator circuit
- black stretch circuit
- black-level restoring circuit
- black-level setting circuit
- blanking circuit
- bootstrap circuit
- bound circuit
- boxcar circuit
- branch circuit
- branched circuit
- bridge circuit
- bridged circuit
- broken circuit
- bubble annihilation circuit
- bubble circuit
- bubble detection circuit
- bubble propagation circuit
- bubble replication circuit
- bubble stretching circuit
- bubble switching circuit
- bubble-domain annihilation circuit
- bubble-domain detection circuit
- bubble-domain propagation circuit
- bubble-domain replication circuit
- bubble-domain stretching circuit
- bubble-domain switching circuit
- bucket-brigade circuit
- buffer circuit
- building-out circuit
- built-up circuit
- bulk-effect integrated circuit
- butterfly circuit
- butterfly tank circuit
- calibrating circuit
- call circuit
- capacitive differentiator circuit
- capacitive oscillatory circuit
- cathode circuit
- central-battery circuit
- ceramic printed circuit
- charge-coupled device integrated circuit
- chemically deposited printed circuit
- chemically reduced printed circuit
- chemically-assembled integrated circuit
- chevron bubble propagation circuit
- chevron bubble-domain propagation circuit
- chip integrated circuit
- cholesteric circuit
- chopping circuit
- chrominance matrix circuit
- chrominance separation circuit
- chrominance take-off circuit
- circuit of graph
- clamping circuit
- clamp-on circuit
- clipping circuit
- clock circuit
- clocked circuit
- close-coupled circuits
- closed circuit
- closed magnetic circuit
- CMOS integrated circuit
- coaxial circuit
- coincidence circuit
- collector circuit
- collector-diffusion isolated integrated circuit
- color processing circuit
- color purity circuit
- color-balance circuit
- color-indexing circuit
- color-killer circuit
- Colpitts oscillatory circuit
- combinational circuit
- combinatorial circuit
- combiner circuit
- common-base circuit
- common-battery circuit
- common-cathode circuit
- common-collector circuit
- common-drain circuit
- common-emitter circuit
- common-gate circuit
- common-grid circuit
- common-source circuit
- common-use circuit
- compander circuit
- comparator circuit
- comparison circuit
- compatible circuit
- compensating circuit
- complementary circuit
- complementary MOS integrated circuit
- complementary symmetry circuit
- complementary symmetry MOS integrated circuit
- complementary-output circuit
- composite circuit
- compound circuit
- compression circuit
- computer circuits
- conference circuit
- consumer integrated circuit
- contiguous-disk bubble propagation circuit
- contiguous-disk bubble-domain propagation circuit
- control circuit
- controller circuit
- convergence circuit
- cord circuit
- core-diode circuit
- core-transistor circuit
- correction input circuit
- COSMOS circuit
- countdown circuits
- counter circuit
- counter timer circuit
- counting circuit
- coupled circuits
- cross-control circuit
- crossed-waveguide circuit
- crosspoint integrated circuit
- cryotron circuit
- cue circuit
- current-access bubble circuit
- current-feedback circuit
- current-limited circuit
- current-source equivalent circuit
- custom circuit
- customer-specific integrated circuit
- custom-wired integrated circuit
- cutoff circuit
- damping circuit
- dash circuit
- data circuit
- dc circuit
- dc restoration circuit
- dead-on-arrival integrated circuit
- decision circuit
- decision making circuit
- decoupling circuit
- dedicated integrated circuit
- deep-submicron integrated circuit
- degenerative circuit
- delay circuit
- delay-insensitive circuit
- delay-sensitive circuit
- delta circuit
- demultiplexing circuit
- deposited integrated circuit
- derived circuit
- despiker circuit
- despiking circuit
- detector circuit
- detuned circuit
- dial toll circuit
- dial-up circuit
- diamond circuit
- die integrated circuit
- dielectric isolated integrated circuit
- differential-frequency circuit
- differentiating circuit
- diffused-isolation integrated circuit
- digital circuit
- digital integrated circuit
- digital logic circuit
- diode array integrated circuit
- diode integrated circuit
- diode-coupled circuit
- diplex circuit
- direct international circuit
- direct transit international circuit
- direct-coupled circuit
- direct-wire circuit
- discharge circuit
- discrete circuit
- discrete-component circuit
- disjunction circuit
- distributed-element circuit
- divided circuit
- dividing circuit
- Doppler tracking circuit
- dot circuit
- double-coincidence circuit
- double-ended cord circuit
- double-ridge easitron circuit
- double-ridge Karp circuit
- double-sided circuit
- double-tuned circuit
- down-scaled integrated circuit
- driven circuit
- dry circuit
- dry-processed integrated circuit
- DTF circuit
- dual-in-line integrated circuit
- duplex circuit
- duplicated circuit
- dynamic-convergence circuit
- dynamic-focus circuit
- dynamic-track following circuit
- earth circuit
- earthed circuit
- E-beam litho circuit
- EC circuit
- Eccles-Jordan circuit
- EITHER-OR circuit
- electric circuit
- electronic circuit
- elevated-electrode integrated circuit
- embossed-foil printed circuit
- emitter-coupled circuit
- emitter-follower logic integrated circuit
- engineering circuit
- epitaxial circuit
- epitaxial passivated integrated circuit
- equalization circuit
- equivalent circuit
- equivalent integrated circuit
- etched printed circuit
- evaporated circuit
- exclusive OR circuit
- expanded-sweep circuit
- expander circuit
- external circuit
- external magnetic circuit
- extra LSI circuit
- face-down integrated circuit
- fail-safe circuit
- fallback circuit
- fan-in circuit
- fan-out circuit
- fast time-constant circuit
- feed circuit
- feedback circuit
- ferrite-diode circuit
- ferrite-transistor circuit
- ferroresonant circuit
- field-access bubble circuit
- field-programmable integrated circuit
- filament circuit
- film integrated circuit
- fine-line integrated circuit
- fine-pattern integrated circuit
- flat-pack integrated circuit
- flexible printed circuit
- flip-chip integrated circuit
- flip-flop circuit
- flux transfer circuit
- flywheel circuit
- forced coupled circuits
- forked circuit
- four-wire circuit
- frame-grounding circuit
- frame-scanning circuit
- free coupled circuits
- freely oscillating coupled circuits
- free-running circuit
- frequency-changing circuit
- full-wave circuit
- fully integrated circuit
- function circuit
- g equivalent circuit
- ganged circuits
- gate circuit
- gate equivalent circuit
- Giacoletto circuit
- Goto-pair circuit
- grid circuit
- grounded circuit
- grounded-base circuit
- grounded-collector circuit
- grounded-emitter circuit
- grounded-grid circuit
- ground-return circuit
- grouping circuit
- guard-ring isolated monolithic integrated circuit
- Gunn-effect circuit
- h equivalent circuit
- half-phantom circuit
- half-wave circuit
- Hamilton circuit
- hardened circuit
- Hartley oscillatory circuit
- Hazeltine neutralizing circuit
- head circuit
- heater circuit
- high-temperature superconductor integrated circuit
- holding circuit
- horizontal scanning circuit
- horizontal sync circuit
- horizontal-deflection circuit
- hotline circuit
- hybrid circuit
- hybrid integrated circuit
- hybrid pi equivalent circuit
- hybrid thin-film circuit
- hybrid thin-film integrated circuit
- hybrid-type circuit
- I2L circuit
- ideal-transformer equivalent circuit
- identification circuit
- idler circuit
- ignition circuit
- image circuit
- impulsing circuit
- inclusive NOR circuit
- inclusive OR circuit
- incoming circuit
- individually wired circuit
- inductance-capacitance coupling circuit
- inductive circuit
- inductive differentiator circuit
- inductive oscillatory circuit
- inductively coupled circuit
- injection circuit
- injection integrated circuit
- input circuit
- inquiry circuit
- insulated-substrate integrated circuit
- integrate-and-dump circuit
- integrated circuit
- integrated injection logic circuit
- integrated optical circuit
- integrating circuit
- interaction circuit
- interface circuit
- inter-integrated circuit
- interlock circuit
- intermediate-frequency circuit
- inverter circuit
- ion-implanted bubble propagation circuit
- ion-implanted bubble-domain propagation circuit
- ion-implanted MOS integrated circuit
- iron circuit
- isolated integrated injection logic circuit
- isolated-substrate solid circuit
- isoplanar integrated circuit
- isoplanar-based integrated circuit
- joint circuit
- joint denial circuit
- Josephson logic integrated circuit
- Josephson-junction logic integrated circuit
- junction circuit
- junction-isolation integrated circuit
- Karp circuit
- keep-alive circuit
- keying circuit
- killer circuit
- label circuit
- ladder circuit
- lagging circuit
- large-scale hybrid integration circuit
- large-scale integration circuit
- laser-configured application-specific integrated circuit
- latched circuit
- latching Boolean circuit
- latching circuit
- leak circuit
- leakage circuit
- leased circuit
- line circuit
- linear circuit
- linear integrated circuit
- line-scan circuit
- line-scanning circuit
- live circuit
- load circuit
- local circuit
- local-battery circuit
- locking circuit
- Loftin-White circuit
- logic circuit
- long-distance telephone circuit
- longitudinal circuit
- losser circuit
- low-energy circuit
- low-temperature superconductor integrated circuit
- L-section circuit
- lumped circuit
- lumped-constant circuit
- made-to-order circuit
- magnetic circuit
- magnetic convergence circuit
- magnetic integrated circuit
- magnetic-core circuit
- majority circuit
- master-slice integrated circuit
- matching circuit
- matrix circuit
- matrix integrated circuit
- McCulloh circuit
- medium-scale integration circuit
- memory circuit
- merged transistor logic integrated circuit
- Mesny circuit
- message circuit
- metal-dielectric-semiconductor integrated circuit
- metallic circuit
- metal-oxide-semiconductor integrated circuit
- metal-oxide-semiconductor large scale integration circuit
- meter-current circuit
- meter-voltage circuit
- microcomputer integrated circuit
- microelectronic integrated circuit
- microenergy logic circuit
- micrologic circuit
- micropower circuit
- microprinted circuit
- microprocessor integrated circuit
- microprocessor logic-support circuit
- microprogrammed circuit
- microwatt circuit
- microwave circuit
- microwave integrated circuit
- mix circuit
- mixing circuit
- molecular integrated circuit
- monobrid integrated circuit
- monolithic integrated circuit
- monolithic microwave integrated circuit
- monophase integrated circuit
- monostable circuit
- MOS integrated circuit
- MOS-on-sapphire integrated circuit
- MTL integrated circuit
- mu circuit
- mu feedback circuit
- multibrid integrated circuit
- multichip integrated circuit
- multidrop circuit
- multifunctional integrated circuit
- multilayer circuit
- multilevel-metallized integrated circuit
- multiphase integrated circuit
- multiplanar circuit
- multiple circuit
- multiple-chip circuit
- multiple-substrate solid circuit
- multipoint circuit
- multistable circuit
- multistage circuit
- muting circuit
- NAND circuit
- nanotube integrated circuit
- n-channel logic MOS integrated circuit
- negative OR circuit
- NEITHER-NOR circuit
- neutral magnetic circuit
- neutralizing circuit
- noise equivalent circuit
- noise suppression circuit
- nondisjunction circuit
- noninductive circuit
- nonlinear circuit
- nonphantomed circuits
- nonredundant circuit
- NOR circuit
- NOT circuit
- NOT-AND circuit
- NOT-OR circuit
- off-the-shelf circuit
- one-chip integrated circuit
- one-sided circuit
- one-wire circuit
- open circuit
- open magnetic circuit
- open-wire circuit
- optical integrated circuit
- optically coupled circuit
- optoelectronic integrated circuit
- optron integrated circuit
- OR circuit
- OR-ELSE circuit
- oscillator circuit
- oscillatory circuit
- output circuit
- overcoupled circuits
- overlap telling circuit
- oxide-isolated integrated circuit
- packaged circuit
- painted printed circuit
- parallel circuit
- parallel LCR circuit
- parallel-resonant circuit
- parallel-series circuit
- passivated integrated circuit
- p-channel logic MOS integrated circuit
- peak-holding circuit
- peaking circuit
- peak-riding clipping circuit
- perforated bubble propagation circuit
- perforated bubble-domain propagation circuit
- periodic circuit
- peripheral integrated circuit
- permalloy circuit
- permanent virtual circuit
- phantom circuit
- phase-advance circuit
- phase-comparison circuit
- phase-compensating circuit
- phase-delay circuit
- phase-equalizing circuit
- phase-inverting circuit
- phase-lag circuit
- phase-shift circuit
- photonic integrated circuit
- physical circuits
- physical equivalent circuit
- pi circuit
- pickax bubble propagation circuit
- pickax bubble-domain propagation circuit
- piezoelectric-crystal equivalent circuit
- pilot circuit
- planar integrated circuit
- planex integrated circuit
- plastic integrated circuit
- plastic-encapsulated integrated circuit
- plate circuit
- plated circuit
- plated printed circuit
- p-n junction isolated integrated circuit
- point-to-point circuit
- polar circuit
- polarized magnetic circuit
- polling circuit
- polymer integrated circuit
- polymer logic circuit
- polymer-based logic circuit
- polyphase circuit
- positioning circuit
- potentiometer circuit
- potted circuit
- power adder circuit
- preemphasis circuit
- presetting circuit
- primary circuit
- primary series circuit
- printed circuit
- printed wiring circuit
- printed-component circuit
- program circuit
- programmed interconnection pattern large-scale integration circuit
- propagation circuit
- proprietary integrated circuit
- pulse-actuated circuit
- pulse-shaping circuit
- pulsing circuit
- pump circuit
- pumping circuit
- purity circuit
- push-pull circuit
- push-push circuit
- push-to-talk circuit
- push-to-type circuit
- quadruplex circuit
- quasi-bistable circuit
- quasi-monostable circuit
- quenching circuit
- quiet-tuning circuit
- r equivalent circuit
- radiating circuit
- radiation hardened integrated circuit
- radio circuit
- radio communication circuit
- radio-frequency integrated circuit
- radio-receiving circuit
- radio-transmitting circuit
- range-marker circuit
- range-sweep circuit
- range-tracking circuit
- rapid single flux quantum circuit
- RC circuit
- RCG circuit
- RCTL circuit
- RDTL circuit
- reactance control circuit
- reaction circuit
- reactive circuit
- read-and-write circuit
- redundant circuit
- reflex circuit
- regenerative circuit
- rejector circuit
- repeat circuit
- reset circuit
- reset control circuit
- reshaping circuit
- resistance-capacitance circuit
- resistance-inductance circuit
- resistance-inductance-capacitance circuit
- resistor-capacitor-transistor logic circuit
- resistor-coupled transistor logic circuit
- resistor-diode-transistor logic circuit
- resistor-transistor logic circuit
- resonant circuit
- retroactive circuit
- reverberation-controlled gain circuit
- right-plane circuit
- ring circuit
- ring-and-bar circuit
- ringdown circuit
- ringing circuit
- RL circuit
- RLC circuit
- RSFQ circuit
- RTL circuit
- sample-and-hold circuit
- sampling circuit
- scaled integrated circuit
- scale-of-eight circuit
- scale-of-ten circuit
- scale-of-two circuit
- scaling circuit
- scanning circuit
- scrambler circuit
- screened circuit
- sealed circuit
- sealed-junction integration circuit
- selective circuit
- self-holding circuit
- self-repairing circuit
- self-saturating circuit
- semiconductor integrated circuit
- semiconductor-magnetic circuit
- semicustom integrated circuit
- separation circuit
- series circuit
- series RLC circuit
- series-peaking circuit
- series-resonant circuit
- service circuit
- short circuit
- shunt circuit
- shunt-peaking circuit
- shunt-series circuit
- side circuits
- sidetone suppression circuit
- signal circuit
- signal-processing circuit
- silent circuit
- silicon integrated circuit
- silicon-on-sapphire integrated circuit
- simple parallel circuit
- simplex circuit
- single-chip integrated circuit
- single-ended circuit
- single-mask level bubble circuit
- single-phase circuit
- single-ridge easitron circuit
- single-ridge Karp circuit
- single-shot trigger circuit
- single-trip trigger circuit
- single-tuned circuit
- single-wire circuit
- slave circuit
- sliding short circuit
- slow-wave circuit
- small outline integrated circuit
- small-scale integrated circuit
- smoothing circuit
- sneak circuit
- software circuit
- solid-state circuit
- spare circuit
- spark circuit
- speaker circuit
- sprayed printed circuit
- square-rooting circuit
- squaring circuit
- squelch circuit
- stacked circuit
- staggered circuits
- stamped printed circuit
- standard scale circuit
- star-connected circuit
- starting circuit
- start-stop circuit
- static-induction transistor integrated circuit
- stenode circuit
- stick circuit
- stopper circuit
- storage circuit
- straightforward circuit
- stripline circuit
- submicron integrated circuit
- subscriber line interface circuit
- subscriber-line audio-processing circuit
- superconducting tank circuit
- superimposed circuit
- superposed circuit
- supervising circuit
- support circuit
- sweep circuit
- switch virtual circuit
- switched circuit
- switching circuit
- sync separator circuit
- sync stretch circuit
- synchronous circuit
- T2L circuit
- talk-back circuit
- tank circuit
- tantalum thin-film circuit
- tap circuit
- tapped circuit
- tapped resonant circuit
- tapped-capacitor circuit
- tapped-capacitor resonant circuit
- tapped-coil circuit
- tapped-coil resonant circuit
- tapped-inductor circuit
- tapped-inductor resonant circuit
- T-bar bubble propagation circuit
- T-bar bubble-domain propagation circuit
- T-circuit
- telegraph circuit
- telephone circuit
- telling circuit
- terminating circuit
- Thevenin equivalent circuit
- thick-film circuit
- thin-film circuit
- three-dimensional circuit
- three-phase circuit
- threshold circuit
- through circuit
- tie-line circuit
- time-base circuit
- time-delay circuit
- toll-circuit
- totem-pole circuit
- transfer circuit
- transformer-coupled circuit
- transistor equivalent circuit
- transistor-transistor logic circuit
- traveling-wave-tube interaction circuit
- tributary circuit
- trigger circuit
- trunk circuit
- trunk terminating circuit
- trunk-junction circuit
- tse circuit
- TTL circuit
- tube circuit
- tube equivalent circuit
- tuned circuit
- tuning circuit
- twin-circuit
- twin-T circuit
- two-dimensional circuit
- two-state circuit
- two-way circuit
- two-wire circuit
- UHS integrated circuit
- ultra-audion circuit
- ultra-high-speed integrated circuit
- unbalanced circuit
- undefined function circuit
- underdamped circuit
- unilateral circuit
- unipolar integrated circuit
- universal cord circuit
- vacuum integrated circuit
- vacuum-deposited integrated circuit
- vapor-deposited printed circuit
- vertical deflection circuit
- vertical scanning circuit
- vertical sync circuit
- very high-speed integrated circuit
- very large-scale integration circuit
- V-groove isolated integrated injection logic circuit
- vibrating circuit
- video circuit
- virtual circuit
- voltage-feedback circuit
- voltage-source equivalent circuit
- wafer-on-scale integrated circuit
- warning circuit
- watch integrated circuit
- waveguide circuit
- waveguide short circuit
- weakly superconducting circuit
- weighting circuit
- welded electronic circuit
- white circuit
- wire circuit
- wired circuit
- wire-wrapped circuit
- writing circuit
- X-bar bubble propagation circuit
- X-bar bubble-domain propagation circuit
- XNOR circuit
- XOR circuit
- X-ray litho integrated circuit
- y equivalent circuit
- Y-bar bubble propagation circuit
- Y-bar bubble-domain propagation circuit
- Y-connected circuit
- z equivalent circuit
- zig-zag asymmetrical permalloy-wedges circuit
- zigzag permalloy track circuit

- acoustic alarm system
- acoustic image system
- acoustic systems
- actiontrack system
- active IR-system
- actuator system
- adaptive communication system
- adaptive teleinformation system
- adaptive telemetering system
- advanced information system
- Afsatcom system
- air system
- aircraft intercommunication system
- airfield communication system
- air-ground automatic system
- airline reservation system
- air-to-ground TV system
- alarm signal system
- alarm system
- all-channel signaling system
- ALL-IN-ONE system
- alphanumeric system
- amplified speaker system
- amplitude shift-keying system
- AMPS system
- analog cellular communication system
- analog cellular system
- analog component video system
- analog television system
- analog tropospheric system
- anisochronous system
- antenna system
- antitheft system
- AR system
- Arabsat system
- ASK system
- associated channel analog system
- asynchronous address communication system
- audio recording system
- Aurora system
- Aussat system
- automatic communication system
- automatic connection establishment system
- automatic control system
- automatic data acquisition system
- automatic telegraphy system
- automatic telephone system
- automatic tuning system
- automatized cellular system
- auxiliary alarm system
- balanced cable transmission system
- band sharing system
- base station system
- baseband system
- basic input/output system
- bass-reflex speaker system
- batch processing system
- batch transmission system
- batch-and-forward system
- batteryless system
- bilateral CTV system
- binary tariff system
- biocontrol system
- bit parallel interface system
- bit transport system
- bridge duplex system
- broadband mobile system
- broadcast satellite system
- broadcasting delivery media systems
- burglar alarm system
- byte-serial interface system
- cabinet system
- cabinetless system
- cable distribution system
- cable TV system
- call-accounting system
- call-answering system
- call-counting system
- call-distributing system
- call-processing system
- call-queueing system
- camp-on system
- CAPTAIN system
- car component audio system
- carrier reinsertion system
- carrier system
- carrier-communication system
- carrier-current communication system
- Cassegrain-Schmidt system
- cassette recording system
- cassette reproducing system
- CATRIN system
- caution system
- CD 900 system
- cellular system
- cellular-radio system
- central-battery system
- centralized control system
- chirp binary telegraph system
- cipher system
- circuit switched telecommunication system
- circuit switching telecommunication system
- circular telecontrol system
- clock system
- closed-circuit communication system
- closed-circuit telegraph system
- closed-numbering system
- code-dependent system
- code-division multiple access system
- code-independent system
- code-insensitive system
- code-sensitive system
- coding system
- coherent fiber-optic system
- collimating system
- collocated system
- color separating system
- combined numbering system
- combined power supply system
- combined satellite communication system
- common-battery system
- common-carrier system
- common-channel signaling system
- common-engineering communication system
- common-purpose cellular system
- common-using band system
- common-using cordless telephone system
- common-using paging system
- communication system
- communication traffic system
- communications system
- community antenna system
- community antenna television system
- community TV-system
- commununication switching system
- compact disk digital audio system
- compatible color television system
- compatible single sideband system
- compatible single-band system
- compatible TV-system
- complex radio communication system
- computer vision system
- computer-telephone system
- Comsar system
- Comsat system
- Conax system
- concentrated-insonation system
- conference system
- conference-communication system
- congested system
- congress-class system
- constant-current system
- control generating system
- conventional television system
- Conversant system
- cordless-communication system
- crossbar system
- crossed-coincident microphone system
- Crosspoint system
- CSE system
- C-system
- cubical video projecting system
- data processing system
- data system
- data transport system
- data-collection system
- data-compression system
- data-exchange system
- dataflow system
- data-gathering system
- data-handling system
- data-measuring system
- data-reduction system
- data-transmission system
- Decca Navigator system
- DECfax system
- decision-feedback system
- dedicated control channel system
- dedicated multimedia system
- delta-sigma system
- deluxe presentation system
- departmental communication system
- desktop-video system
- DFS/Copernicus system
- dial-telephone system
- differential phase shift-keying system
- differential-duplex system
- differential-magnetic system
- digital camera system
- digital hybrid-key telephone system
- digital mass storage system
- digital microwave radio transmission system
- digital telephone communication system
- digital transmission system
- digital TV-communication system
- Digital UNIX system
- digital-analog system
- digital-cellular system
- digital-data modulation system
- digital-effect system
- digital-message entry system
- digital-termination system
- direct-broadcasting satellite system
- directing system
- direct-modulation system
- direct-sequence system
- direct-telephone communication system
- discrete communication system
- discrete sound system
- discrete-addressing system
- disk-operating system
- DISOSS system
- dispatch telephone communication system
- dispatch-center system
- dispersed-insonation system
- distributed-insonation system
- distributed-processing system
- documental-type communication system
- Dolby systems
- domestic satellite communication system
- double-band telephone communication system
- double-channel transmission system
- double-current transmission system
- double-pole communication system
- double-sideband large carrier system
- DSCS system
- D-system
- dual-cable system
- dual-reflector system
- duplexed system
- Earth-to-space transmission system
- ECM system
- electric communication system
- electronic antishock system
- electronic data-gathering system
- electronic data-processing system
- electronic-message system
- electronic-scanning system
- electronic-switching system
- Ellipso system
- emergency telephone communication system
- emergency-broadcast system
- EMX system
- equidistant system
- error-correction system
- error-detection system
- Eutelsat system
- extensible system
- external paging system
- facsimile system
- fast-acting servicing system
- fault-tolerant system
- fax communication system
- fax transmitting system
- feed system
- fiber transmission system
- fiber-optic transmission system
- field-sequential system
- final mile system
- finishing system
- fire alarm system
- fire warning system
- first generation cellular system
- five-channel communication system
- fixed satellite system
- Flexcam system
- flexible access system
- Flitsatcom system
- focusing system
- four-channel sound system
- four-dimensional system
- four-wire telephone communication system
- frame-sequential system
- frequency shift-keying system
- frequency-carrier system
- frequency-control system
- front-bass reflex speaker system
- fully digital system
- gate system
- Gaussian system
- generalized system
- generating dynamic system
- generator-dc-motor system
- GIGASET radio system
- global positioning system
- Global system
- Gopher system
- grandfathered system
- group-alerting and dispatching system
- guide system
- hard-wired CCTV system
- hazard system
- helical-scan system
- HF-synchronizing system
- high-precision navigating system
- Hi-linear system
- home system
- home-telephone system
- home-type system
- homing-guidance system
- host system
- hydroacoustic system
- ideal communication system
- idealized system
- image informaion system
- image-forming system
- immedial servicing system
- incompatible system
- independent system
- information retrieval system
- information system radio system
- information system
- information-feedback system
- information-measuring system
- infrared alarm system
- Inmarsat system
- Inmarsat-A system
- Inmarsat-B system
- Inmarsat-C system
- Inmarsat-D system
- Inmarsat-M system
- Inmarsat-P system
- integrated telephone system
- integrated videographic teleconferencing system
- integrated-antenna system
- integrated-communication system
- integrated-modulation system
- integrated-office system
- Intelsat system
- interactive system
- intercarrier-sound system
- intercommunication system
- intercontinental tropospheric system
- interlock system
- intermachine exchange system
- intermediate system
- international communication system
- interphone system
- Intervision system
- intraband signaling system
- intruder alarm system
- inward-outward dialing system
- ionoscatter system
- ionosphere sounder system
- ionospheric system
- Iridium system
- isolated system
- Italsat system
- J-carrier system
- joint-multichannel trunking and switching system
- K-carrier system
- key system
- key-telephone system
- land satellite communication system
- large-grained communication system
- laser communication system
- L-band satellite system
- L-carrier system
- Leasat system
- lightning protection system
- limited distortion system
- line amplifiers system
- link system
- little-channel relay system
- local alarm system
- local battery system
- local communication system
- local radio paging system
- long-haul system
- long-range system
- loop system
- loud-speaking communication system
- low-traffic system
- magnetic tape recording system
- Mail system
- management-information system
- manual cellular system system
- manual telephone set system
- Marisat system
- master television system
- master-antenna television system
- matrix sound system
- message feedback system
- message procession system
- message registration system
- message-switched system
- meteor radio system
- Metrobus system
- micro component system
- Micro Press Cluster Printing system
- micro-lens system
- microprocessor system
- microwave relay system
- midi system
- mine radio telephone system
- mini system
- mixed media system
- mixed numbering system
- mobile cellular communication system
- mobile land communication system
- mobile radio system
- mobile relay system
- mobile system
- modulated system
- monetary mobile system
- MS-Mail system
- multiareal system
- multicassette system
- multichannel telephone system
- multicomputer system
- multidisk system
- multiformat recording system
- multifrequency tone signaling system
- multiguard system
- multilevel mixed system
- multimedia system
- multiple-channel system
- multiqueue system
- Multiscrypt system
- multistandard system
- multitrack editing system
- mutibeam antenna system
- muting system
- Nagravision system
- NAMTS system
- narrow-angle TV system
- national communication system
- navigation system
- n-channel communication system
- n-channel DPSK system
- n-channel transmission system
- network standalone system
- network system
- network-operation system
- networks numbering system
- neutral direct-current telegraph system
- n-head video system
- NMT system
- noise-reduction system
- nonhoming tuning system
- noninterlaced television system
- nonsegmented system
- Norsat system
- n-satellite system system
- n-tone DPSK system
- n-tone MFSK system
- NTSC system
- NTT system
- obligatory message system
- Odyssey system
- off-line system
- on-line computer system
- on-line secured system
- open numbering system
- open system
- operative-engineering communication system
- opposite signals system
- optical-communication system
- optical-information system
- optical-projection system
- optoelectronic system
- oscillating system
- oscillation system
- outband signaling system
- package-and-resource tracking system
- pagemaster system
- paging system
- PAL system
- parametric system
- PATHWORKS system
- pattern recognition system
- personal holding guard system
- phase shift-keying system
- phone system
- Piccolo system
- pilot-controller system
- polar direct-current telegraph system
- portable mobile system
- power control system
- power controlling system
- power-line carrier system
- power-supply system
- press-to-talk system
- Prestel system
- primary-supply system
- privacy system
- private branch paging system
- private movable system
- private videodata system
- private videotex system
- process-interface system
- PROFS system
- programmable cross-connect system
- programmable cross-connected system
- programmed radio system
- prompting system
- protected wireline distribution system
- protection system
- pseudoquadraphony system
- pseudotrunking system
- public videodata system
- public videotex system
- pulse-code system
- pulse-frequency system
- pulse-time system
- quadraphonic sound system
- quadruple-diversity system
- R1 system
- R2 system
- radio buoy system
- radio command system
- radio communication system
- Radio Data system
- radio facsimile system
- Radiocom 2000 system
- radio-control system
- radio-paging system
- radio-relay system
- radiosonde-radio-wind system
- radio-telemetering system
- real time pulse-echo system
- real time system
- receiver lockout system
- recording system
- recovery system
- redundant system
- reference-information system
- regional electronic payment system
- relay-radio system
- remote concentrating system
- remote control system
- remote diagnostic system
- remote information system
- remote semiconcentrating system
- remote sensing system
- remote signaling system
- rendering system
- rerecording system
- reserved servicing system
- RF/Transmission system
- rotary system
- safety alarm system
- safety system
- Satcom system
- satellite comminication system
- satellite marine comminication system
- Satellite Master Antenna Television system
- satellite radio system
- satellite-aircraft communication system
- SB-communication system
- SBL communication system
- scalable system
- scanning trunking system
- SCO UNIX system
- searchless identification system
- seat reservation system
- SECAM system
- second generation cellular system
- second room system
- secondary supply system
- secrecy system
- section communication system
- security system
- segmented system
- seismic system
- selective calling system
- selective frequency base station system
- selective protective system
- selective telephone system
- self-adjusting system
- self-balancing differential system
- self-contained system
- self-test system
- selsyn system
- semiautomatic-switching system
- semiautomatized cellular system
- sensory system
- servo system
- shadow-batch system
- short-haul microwave system
- Sicral system
- Sigma Servo system
- signal system
- simplex movable system
- single-band transmission system
- single-busbar system
- single-cable communication system
- single-cable system
- single-channel system
- single-current transmission system
- single-pulse tracking system
- Skynet system
- small-grained communication system
- SmarTrunk II radio communication system
- solid-state uninterruptible power battery system
- Sony bus system
- sound alarm system
- sound equalization system
- sound navigation system
- sound reinforcement system
- sound warning system
- space-division system
- space-switched system
- spark-safe system
- speaker system
- special communication system
- speech-processing system
- speech-recognition system
- split-speaker system
- spread-spectrum system
- stabilizing system
- stage monitoring system
- standalone double point system
- star-circuit system
- STAREX CMX system
- starting communication system
- start-stop system
- stationary satellite system
- step-by-step system
- stereo sound system
- stereophonic sound system
- storage system
- storage-and-retrieval system
- Strowger system
- submarine fiber-optic system
- subprimary digital transmission system
- subscriber carrier system
- subscriber switching system
- suffix system
- Supersat system
- supervisory control system
- surround sound system
- switched telecommunication system
- switching system
- sync communication system
- synchro system
- synchronous communication system
- synchronous digital system
- TAGS system
- tandem system
- tariffication system
- T-carrier system
- TDF system
- teleautomatic system
- Telecom system
- telecommunication system
- telecommunications system
- telecommunication-service priority system
- telecommunications-service priority system
- telecontrol system
- telemechanic system
- telemetering system
- telemetry system
- telephone system
- telephone-answering system
- telephone-communication system
- telephone-communications system
- teleprocessing system
- Telesat system
- teletex system
- teletypewriter system
- television-telephone system
- Tele-X system
- Telsar system
- terminal system
- terrestrial radio-relay system
- theft-prevention system
- thin-route system
- third generation communication system
- three-axle stabilizing system
- three-channel HF-telephone system
- three-channel transmission system
- three-color system
- three-lens optical system
- three-primary system
- three-wire system
- time-dissemination system
- time-frequency hopping system
- time-switched system
- total access communication system
- total area coverage system
- transmission system
- trichromatic system
- triple-interlace system
- triplex system
- trunk communication system
- TV-observation system
- twelve-channel transmission system
- two-arm system
- two-band system
- two-color system
- two-roller transfer system
- two-step control system
- two-way CATV system
- two-way system
- two-wire telephone communication system
- ultra-match system
- ULTRIX system
- unified radioaccess system
- unilateral-control system
- unilateral-synchronization system
- uninterruptible-power system
- Unisat system
- universal alarm system
- universal-battery system
- universal-electronic system
- universal-movable system
- Uniworks system
- vestigial-sideband system
- video editing system
- video home system
- video recording system
- videocom system
- videoteleconference system
- videotex system
- virtual studio system
- vision system
- vocoder system
- voice dialog system
- voice frequency carrier telegraph system
- voice modulation system
- voice post system
- volume control system
- waiting system
- warning system
- watch system
- watching system
- waterside facsimile communication system
- wave-propagating system
- wide-angle TV system
- Winfax Pro system
- wired broadcasting system
- wireless CCTV system
- wireless home system
- wireless infrared speaker system
- wire-radio communication system
- XY system
- zone-selective protection system
- zoning system

- absent-subscriber service
- address service
- advanced mobile phone service
- advanced mobile phone service/digital
- aeronautical service
- aeronautical broadcasting service
- aeronautical fixed service
- aeronautical mobile service
- aeronautical radionavigation service
- aeronautical telecommunication service
- aircraft control and warning service
- alternative line service
- amateur service
- analog communication service
- answering service
- around-the-clock service
- beacon service
- bibliographic retrieval service
- BIOS services
- British Forces broadcasting service
- broadcasting service
- broadcasting satellite service
- broadcast videotex service
- bulletin board service
- cable broadband service
- cable modem service
- call service
- circuit emulation service
- citizens' radio service
- coding-decoding service
- communication service
- connection service
- connectionless network service
- connection-oriented network service
- cryptographic service
- DAB service
- data service
- dialed number identification service
- digital advanced mobile phone service
- digital audio broadcasting service
- digital music service
- directory service
- directory inquiry service
- directory synchronization service
- distributed file services
- E911 service
- echo cancellation service
- e-mail service
- emergency service
- emergency radio service
- encoding-decoding service
- end-by-end service
- electronic service
- extended 911 service
- facsimile service
- field service
- general packet radio service
- general security service
- hop-by-hop service
- industrial radio services
- information service
- instructional television fixed service
- integrated packet switching service
- intelligent messaging service
- intermittent service
- international communication service
- international packet switched service
- international telecommunications service
- Knowbot information service
- land mobile service
- land-transportation radio services
- local multipoint distribution service
- location service
- long-distance service
- management information service
- maritime mobile service
- maritime radionavigation service
- maritime radionavigation satellite service
- mass call service
- media service
- message service
- message handling service
- message transport protocol service
- messenger service
- meteorological aids service
- Microsoft consulting service
- mobile service
- mobile radio service
- multipoint communication service
- multipoint distribution service
- narrow-band advanced mobile phone service
- national data processing service
- national mobile radio service
- NetWare distributed print services
- network file service
- network information service
- network protocol service
- new technology directory service
- news service
- NT directory service
- on-line information service
- personal communication service
- personal locator service
- personal-radio service
- plain old telephone service
- positioning service
- private-line service
- public radiocommunication service
- public telephone service
- radiodetermination service
- radio information service
- radiolocation service
- radionavigation service
- radionavigation satellite service
- redirection service
- remote service
- remote computing service
- rescue-and-recovery service
- resource administrative service
- running service
- satellite digital audio radio services
- security service
- short message service
- signaling service
- sound-program service
- standard-frequency service
- standard positioning service
- subscriber-based broadcast service
- switched multimegabit data service
- teleinformatic services
- telemetric service
- telephoto service
- teletypewriter-exchange service
- terminal service
- timed signal service
- toll service
- TWX service
- value-added service
- videophone service
- visual-telephone service
- virtual channel service
- virtual terminal service
- voice messaging service
- Web network file service
- wide area telephone service
- wire service
- wired subscription service
- wired videotex service
- wireless 911 service
- wireless communication service
- wireless data service

- absent-subscriber service
- address service
- advanced mobile phone service
- advanced mobile phone service/digital
- aeronautical broadcasting service
- aeronautical fixed service
- aeronautical mobile service
- aeronautical radionavigation service
- aeronautical service
- aeronautical telecommunication service
- aircraft control and warning service
- alternative line service
- amateur service
- analog communication service
- answering service
- around-the-clock service
- beacon service
- bibliographic retrieval service
- BIOS services
- British Forces broadcasting service
- broadcast videotex service
- broadcasting satellite service
- broadcasting service
- bulletin board service
- cable broadband service
- cable modem service
- call service
- circuit emulation service
- citizens' radio service
- coding-decoding service
- communication service
- connection service
- connectionless network service
- connection-oriented network service
- cryptographic service
- DAB service
- data service
- dialed number identification service
- digital advanced mobile phone service
- digital audio broadcasting service
- digital music service
- directory inquiry service
- directory service
- directory synchronization service
- distributed file services
- E911 service
- echo cancellation service
- electronic service
- e-mail service
- emergency radio service
- emergency service
- encoding-decoding service
- end-by-end service
- extended 911 service
- facsimile service
- field service
- general packet radio service
- general security service
- hop-by-hop service
- industrial radio services
- information service
- instructional television fixed service
- integrated packet switching service
- intelligent messaging service
- intermittent service
- international communication service
- international packet switched service
- international telecommunications service
- Knowbot information service
- land mobile service
- land-transportation radio services
- local multipoint distribution service
- location service
- long-distance service
- management information service
- maritime mobile service
- maritime radionavigation satellite service
- maritime radionavigation service
- mass call service
- media service
- message handling service
- message service
- message transport protocol service
- messenger service
- meteorological aids service
- Microsoft consulting service
- mobile radio service
- mobile service
- multipoint communication service
- multipoint distribution service
- narrow-band advanced mobile phone service
- national data processing service
- national mobile radio service
- NetWare distributed print services
- network file service
- network information service
- network protocol service
- new technology directory service
- news service
- NT directory service
- on-line information service
- out of service
- personal communication service
- personal locator service
- personal-radio service
- plain old telephone service
- positioning service
- private-line service
- public radiocommunication service
- public telephone service
- radio information service
- radiodetermination service
- radiolocation service
- radionavigation satellite service
- radionavigation service
- redirection service
- remote computing service
- remote service
- rescue-and-recovery service
- resource administrative service
- running service
- satellite digital audio radio services
- security service
- short message service
- signaling service
- sound-program service
- standard positioning service
- standard-frequency service
- subscriber-based broadcast service
- switched multimegabit data service
- teleinformatic services
- telemetric service
- telephoto service
- teletypewriter-exchange service
- terminal service
- timed signal service
- toll service
- TWX service
- value-added service
- videophone service
- virtual channel service
- virtual terminal service
- visual-telephone service
- voice messaging service
- Web network file service
- wide area telephone service
- wire service
- wired subscription service
- wired videotex service
- wireless 911 service
- wireless communication service
- wireless data service