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2. 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.

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. 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 ...

5. Our Favorite Walkie Talkies From the Trails to the Worksite - AOL

   www.aol.com/lifestyle/favorite-walkie-talkies...

   For premium support please call: 800-290-4726 more ways to reach us

6. SINCGARS - Wikipedia

   en.wikipedia.org/wiki/SINCGARS

   The SINCGARS operates on any of 2320 channels between 30 and 88 megahertz (MHz) with a channel separation of 25 kilohertz (kHz). It accepts either digital or analog inputs and superimposes the signal onto a radio frequency (RF) carrier wave. In FH mode, the input changes frequency about 100 times per second over portions of the tactical VHF-FM ...

7. 33-centimeter band - Wikipedia

   en.wikipedia.org/wiki/33-centimeter_band

   They are very similar to the DirectTalk-capable iDEN cellphones, even sharing some accessory items, but they can not interoperate with DirectTalk units. Trisquare made a line of walkie-talkies (the eXtreme Radio Service family) that were also license free FHSS units, operating in the 900 MHz band. They were similar to DirectTalk but not compatible.