Search results
Results From The WOW.Com Content Network
Zello is a tech software company in Austin, Texas, U.S., known for the Zello app, which emulates push-to-talk (PTT) walkie-talkies over cell phone networks. History [ edit ] Alexey Gavrilov developed the product originally called Loudtalks which was announced at the TechCrunch 40 Mobile and Communications Conference on September 17, 2007. [2]
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 ...
A trunked radio system is a two-way radio system that uses a control channel to automatically assign frequency channels to groups of user radios. In a traditional half-duplex land mobile radio system a group of users (a talkgroup) with mobile and portable two-way radios communicate over a single shared radio channel, with one user at a time ...
20 Fenchurch Street is a commercial skyscraper in London that takes its name from its address on Fenchurch Street, in the historic City of London financial district. It has been nicknamed " The Walkie-Talkie " because of its distinctive shape, said to resemble a walkie-talkie handset. [4] Construction was completed in spring 2014, and the three ...
Two-way radio. 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, which only receives transmissions. Two-way radios usually use a half-duplex ...
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.
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 ...
WeChat supports different instant messaging methods, including text message, voice message, walkie talkie, and stickers. Users can send previously saved or live pictures and videos, profiles of other users, coupons, lucky money packages, or current GPS locations with friends either individually or in a group chat.