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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. Midland Radio - Wikipedia

   en.wikipedia.org/wiki/Midland_Radio

   The two main Emergency Alert products are the ER210 and ER310. Both are equipped with hand cranks and solar for a sustainable, back up power source. Multiple power source options - USB, LED flashlight, Hand Crank and rechargeable batteries. Two -Way Radios. Midland Radio offers four lines of two-way radios: X-Talker, LXT, GXT and XT511; MicroMobile

4. Walkie-talkie - Wikipedia

   en.wikipedia.org/wiki/Walkie-talkie

   A walkie-talkie, more formally known as a handheld transceiver, HT, or handheld radio, is a hand-held, portable, two-way radio transceiver. Its development during the Second World War has been variously credited to Donald Hings, radio engineer Alfred J. Gross, Henryk Magnuski and engineering teams at Motorola. First used for infantry, similar ...

5. List of radios - Wikipedia

   en.wikipedia.org/wiki/List_of_radios

   The RCA model R7 Superette superheterodyne table radio. This is a list of notable radios, which encompasses specific models and brands of radio transmitters, receivers and transceivers, both actively manufactured and defunct, including receivers, two-way radios, citizens band radios, shortwave radios, ham radios, scanners, weather radios and airband and marine VHF radios.

6. Family Radio Service - Wikipedia

   en.wikipedia.org/wiki/Family_Radio_Service

   FRS radios use narrow-band frequency modulation (NBFM) with a maximum deviation of 2.5 kilohertz. The channels are spaced at 12.5 kilohertz intervals. All 22 channels are shared with GMRS radios. Initially, the FRS radios were limited to 500 milliwatts across all channels. However, after May 18, 2017, the limit is increased to 2 watts on ...

7. List of military electronics of the United States - Wikipedia

   en.wikipedia.org/wiki/List_of_military...

   VHF/UHF/SATCOM two-way, multi-mode voice and data radio communication system: E-8 Joint STARS: Rockwell Collins: AN/ARC-231: Skyfire VHF/UHF/SATCOM two-way, multi-mode voice and data radio communication system: BAE Systems: AN/ARC-232: Very High Frequency (VHF)/Ultra high frequency (UHF) radio communication system: Raytheon