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2. Family Radio Service - Wikipedia

   en.wikipedia.org/wiki/Family_Radio_Service

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

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

   In our guide to the best walkie talkies, we cover what you can expect for channels, range, durability, and privacy, followed by our picks based on use and research.

4. Personal radio service - Wikipedia

   en.wikipedia.org/wiki/Personal_radio_service

   Channels 1 to 14 are well-known, while channels 15 to 99 are less popular. While radios designed for the Taiwan market have FRS/GMRS frequencies as part of their channel plan, it is still technically illegal to use equipment designed for the Taiwan market in the United States. FRS, 14 channels, 12.5 kHz spacing: 467.5125 MHz; 467.5250 MHz

5. General Mobile Radio Service - Wikipedia

   en.wikipedia.org/wiki/General_Mobile_Radio_Service

   GMRS radios are typically handheld portable (walkie-talkies) much like Family Radio Service (FRS) radios, and they share a frequency band with FRS near 462 and 467 MHz. Mobile and base station-style radios are available as well, but these are normally commercial UHF radios as often used in the public service and commercial land mobile bands ...

6. 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 ...

7. eXtreme Radio Service - Wikipedia

   en.wikipedia.org/wiki/EXtreme_Radio_Service

   The TriSquare TSX300. eXtreme Radio Service (eXRS) is a proprietary personal communication technology marketed by TriSquare in the United States. The radios, which are similar to other walkie-talkies, use the Part 15 low power communication 915 MHz band, and employ frequency-hopping spread spectrum FM technology to attempt to address some of the perceived shortcomings of Family Radio Service ...

8. Baofeng UV-5R - Wikipedia

   en.wikipedia.org/wiki/Baofeng_UV-5R

   As a result, it was not authorized for use in the GMRS and FRS, only for amateur radio. [ 5 ] [ 6 ] Baofeng launched a number of other models based on the UV-5R technology, since 2012. Other radios from other Chinese manufacturers have mainly the same range of functions, specs and menu like the UV-5R, for example the Retevis RT5.

9. Two-way communication - Wikipedia

   en.wikipedia.org/wiki/Two-way_communication

   Two-way communication is a form of transmission in which both parties involved transmit information. Two-way communication has also been referred to as interpersonal communication. Common forms of two-way communication are: Amateur radio, CB or FRS radio contacts. Chatrooms and instant messaging. Computer networks. See backchannel. In-person ...