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  2. Two-way radio - Wikipedia

    en.wikipedia.org/wiki/Two-way_radio

    Naval air traffic controller communicates with aircraft over a two-way radio headset A variety of portable handheld two-way radios for private use. A two-way radio is a radio transceiver (a radio that can both transmit and receive radio waves), which is used for bidirectional person-to-person voice communication with other users with similar radios, [1] in contrast to a broadcast receiver ...

  3. Walkie-talkie - Wikipedia

    en.wikipedia.org/wiki/Walkie-talkie

    Typical walkie-talkies resemble a telephone handset, with a speaker built into one end and a microphone in the other (in some devices the speaker also is used as the microphone) and an antenna mounted on the top of the unit. They are held up to the face to talk. A walkie-talkie is a half-duplex communication device. Multiple walkie-talkies use ...

  4. Citizens band radio in India - Wikipedia

    en.wikipedia.org/wiki/Citizens_band_radio_in_india

    Cobra 18 WX ST II mobile CB radio with microphone. Citizens band radio (also known as CB radio) is a system of short-distance radio communications between individuals on a selection of channels within the 27-MHz (11 m) band. In India, this frequency band extends from 26.957 MHz to 27.283 MHz. There are several different channel plans in use.

  5. Wireless Planning & Coordination Wing - Wikipedia

    en.wikipedia.org/wiki/Wireless_Planning...

    Permission from WPC is required for importing any radio equipment in India, including walkie-talkie, RC cars/boats, drones/UAV, ZigBee, Bluetooth devices, etc. Imports of radio equipment into India, without prior permission from WPC, will be confiscated by Customs at point of entry.

  6. PoC radio - Wikipedia

    en.wikipedia.org/wiki/PoC_radio

    A PoC radio (short for push to talk over cellular radio [2]), also known as PTToC radio, [3] is an instant communication device that is based on the cellular network. [4] It is a radio device that incorporates push-to-talk technology into a cellular radio handset. [5]

  7. PMR446 - Wikipedia

    en.wikipedia.org/wiki/PMR446

    Motorola TA288 PMR446 licence-free radio Motorola TLKR T40 radio tuned to PMR channel 1. PMR446 (Private Mobile Radio, 446 MHz) is a licence-exempt service or UHF CB in the UHF radio frequency band, as personal radio service or citizens band radio, and is available for business and personal use in most countries throughout the European Union, [1] Malaysia, [2] and Singapore.

  8. Family Radio Service - Wikipedia

    en.wikipedia.org/wiki/Family_Radio_Service

    Motorola T5320 FRS handheld radio. The Family Radio Service (FRS) is an improved walkie-talkie radio system authorized in the United States since 1996. This personal radio service uses channelized frequencies around 462 and 467 MHz in the ultra high frequency (UHF) band.

  9. Wireless microphone - Wikipedia

    en.wikipedia.org/wiki/Wireless_microphone

    A wireless microphone, or cordless microphone, is a microphone without a physical cable connecting it directly to the sound recording or amplifying equipment with which it is associated. Also known as a radio microphone , it has a small, battery-powered radio transmitter in the microphone body, which transmits the audio signal from the ...

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