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2. 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.

3. Voxer - Wikipedia

   en.wikipedia.org/wiki/Voxer

   Voxer is a Dallas-based mobile app development company best known for its free Voxer Walkie Talkie app for smartphones. Founded by Tom Katis and Matt Ranney, Voxer Walkie Talkie is both a live "push-to-talk" system and a voice messaging system. Messages on Voxer are delivered live as they're being recorded and then delivered as a voice message ...

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. Zello - Wikipedia

   en.wikipedia.org/wiki/Zello

   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.

6. 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.

7. Push-to-talk - Wikipedia

   en.wikipedia.org/wiki/Push-to-talk

   Push-to-talk over cellular (PTToC) is a service option for a cellular phone network that enables subscribers to use their phones as walkie-talkies with unlimited range. A typical push-to-talk connection connects almost instantly.

8. Personal radio service - Wikipedia

   en.wikipedia.org/wiki/Personal_radio_service

   Personal radio services exist around the world and typically use light-weight walkie talkie portable radios. The power output, antenna size, and technical characteristics of the equipment are set by regulations in each country.

9. Now (brand) - Wikipedia

   en.wikipedia.org/wiki/Now_(brand)

   The ChatNow is a mobile phone-like walkie-talkie developed by Hasbro's Tiger Electronics division for the preteen market, as part of the Now brand of consumer products. [4] It includes simple digital photography and text message functionality and transmits using the Family Radio Service UHF radio band. [ 5 ]