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DISH Wireless L.L.C. DISH Wireless L.L.C., doing business as Boost Mobile, is a United States wireless service provider owned by EchoStar. It operates using the Boost, AT&T and T-Mobile networks to deliver wireless services. As of Q3 2023, Boost Mobile, along with its sister brands Gen Mobile and Ting Mobile had 7.50 million customers.
Stingray phone tracker. The StingRay is an IMSI-catcher, a cellular phone surveillance device, manufactured by Harris Corporation. [2] Initially developed for the military and intelligence community, the StingRay and similar Harris devices are in widespread use by local and state law enforcement agencies across Canada, [3] the United States, [4 ...
PowerSource, or "hybrid" phones, are specialized cellular devices used by customers of the American telecommunications company Sprint-Nextel. They are distinct from other mobile phones in that they make use of two cellular networks instead of a single one. PowerSource phones currently include the ic402, ic502, ic602 and ic902, all manufactured ...
MDC (Motorola Data Communications), also known as Stat-Alert, MDC-1200 and MDC-600, is a Motorola two-way radio low-speed data system using audio frequency shift keying, (AFSK). MDC-600 uses a 600 baud data rate. MDC-1200 uses a 1,200 baud data rate. Systems employ either one of the two baud rates. Mark and space tones are 1,200 Hz and 1,800 Hz ...
Radiotelephony procedure (also on-air protocol and voice procedure) includes various techniques used to clarify, simplify and standardize spoken communications over two-way radios, in use by the armed forces, in civil aviation, police and fire dispatching systems, citizens' band radio (CB), and amateur radio . Voice procedure communications are ...
Recordings show radios were programmed to send unit ID on tactical channels. Radios accept unit ID on a per-channel basis. When mobile or hand-held radios are programmed, the unit ID encoders should be disabled on all channels where the feature is not used. This saves air time for about two to three syllables of speech per push-to-talk press.
The call and text message records from mid-to-late 2022 of tens of millions of AT&T cellphone customers and many non-AT&T customers were exposed in a massive data breach, the telecom company ...
Nextel was the first company to implement a nationwide push-to-talk system similar to a walkie-talkie, marketed as DirectConnect. Unlike other cellular networks, the Nextel network operated in the Specialized Mobile Radio band, and Nextel was one of the first providers in the United States to offer a national digital cellular coverage footprint.