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An Icom IC-R5 hand-held scanner A GMRS radio that also has scanning capabilities. A scanner (also referred to as a radio scanner) is a radio receiver that can automatically tune, or scan, two or more discrete frequencies, stopping when it finds a signal on one of them and then continuing to scan other frequencies when the initial transmission ceases.
Regency TR-1 transistor radio. The Regency TR-1 was the first commercially manufactured transistor radio, introduced in 1954.Despite mediocre performance, about 150,000 units were sold, due to the novelty of its small size and portability.
This article provides a list of commercially available software-defined radio receivers. Name Unit cost (2024) Type Production status Frequency range Max bandwidth RX ADC
Tennelec also manufactured innovative scanning radios in the 1970s. The first programmable radio scanner was the Memoryscan from Tennelec Commercial Products Division, introduced in 1974, and later known as the Memoryscan 1 (model MS-1). [1] [2] This was followed by a slightly improved model, the Memoryscan 2 (model MS-2). Prior to the MS-1 and ...
The RCA model R7 Superette superheterodyne table radio. This is a list of notable radios, which encompasses specific models and brands of radio transmitters, receivers and transceivers, both actively manufactured and defunct, including receivers, two-way radios, citizens band radios, shortwave radios, ham radios, scanners, weather radios and airband and marine VHF radios.
CueCat barcode scanner and interposer cables with male and female PS/2 connectors. The CueCat, styled :CueCat with a leading colon, is a cat-shaped handheld barcode reader designed to allow a user to open a link to an Internet URL by scanning a barcode. The devices were given away free to Internet users starting in 2000 by the now-defunct ...
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 ...
Their products included transceivers, radio scanners, antennas, GPS devices, and satellite equipment. They also produced OEM equipment for other companies, including Radio Shack, Uniden and Commtel. GRE was established in 1961, [1] and its headquarters was located in Tokyo. GRE had a manufacturing facility in Chiba Prefecture which closed in ...
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