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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 ...
In October 2018, Amazon unveiled the Fire TV Stick 4K, codenamed "Mantis," which "effectively replaces Amazon’s Fire TV pendant." [ 43 ] It is upgraded to a 1.7 GHz quad-core processor, 1.5 GB RAM, and supports 4K output, HDR10+ and Dolby Vision , Dolby Atmos, hardware-accelerated MPEG-2 decoding, and Miracast through a later update. [ 44 ]
A PoC radio (short for push to talk over cellular radio [2]), also known as PTToC radio, [3] is an instant communication device that is based on the cellular network. [4] It is a radio device that incorporates push-to-talk technology into a cellular radio handset. [5]
The first handheld walkie-talkie was the AM SCR-536 transceiver from 1941, also made by Motorola, named the Handie-Talkie (HT). [9] The terms are often confused today, but the original walkie-talkie referred to the back mounted model, while the handie-talkie was the device which could be held entirely in the hand.
Walkie-talkie-style systems like PTT are often used in a public-safety capacity, such as with firefighting and emergency services, where relaying information quickly and clearly is essential.
Motorola SCR-536 from WW2, the first walkie-talkie. Land mobile radio system – short-range mobile or portable half-duplex radio transceivers operating in the VHF or UHF band that can be used without a license. They are often installed in vehicles, with the mobile units communicating with a dispatcher at a fixed base station.
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).
This guy gave new meaning to the slogan “Gottahava Wawa.” Police in East Windsor, N.J., arrested a 24-year-old man on Dec. 23, and charged him with misusing the town’s 911 system for ...
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