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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. It does not suffer the interference effects found on citizens' band (CB) at 27 MHz, or the 49 MHz band also ...
PTT ID. PTT ID, or Push-To-Talk ID, is a generic term for an automatic number identification (ANI) -like system used in two-way radio systems. It provides identification of the transmitting radio over the air, and is commonly used in selective calling /signaling systems, usually in commercial and public safety radio systems. PTT ID features are ...
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 ...
Purpose-built to connect frontline teams and communities, the push-to-talk walkie-talkie app offers instant voice communication with one or many in unlimited secure, private channels, as well as message replay, emergency alerts, location tracking, dispatch capabilities, and Bluetooth device support.
The SCR-536 weighed 5 pounds (2.3 kg) with batteries and 3.85 lb (1.75 kg) without batteries. The unit operated in AM voice mode between 3.5 and 6.0 MHz frequency range on any one of 50 channels. Plug in crystals and coils were used to control the frequency of the receiver and transmitter. The antenna was a 40 inch telescoping rod that slid ...
The AN/PRC-6 is a walkie-talkie (correctly a "Handie Talkie [1]) used by the U.S. military in the late Korean War era through the Vietnam War. Raytheon developed the RT-196/PRC-6 following World War II as a replacement for the SCR-536 "handy-talkie".
This file was provided to Wikimedia Commons by the Gerald R. Ford Presidential Library and Museum as part of a cooperation project.The Gerald R. Ford Presidential Library and Museum is part of the National Archives and Records Administration's presidential library and houses documents and audio-visual materials on the life, career, and presidency of Gerald Ford, the 38th President of the ...
Nextel's iDEN network offered a then unique push-to-talk "walkie-talkie" feature in addition to direct-dialed voice calls. Nextel was one of the first providers in the United States to offer a national digital cellular coverage footprint. Prior to merging with Sprint Corporation in 2005, Nextel Communications, Inc. was a publicly traded company.
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