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An Icom IC-R5 hand-held scanner A GMRS radio that also has scanning capabilities. A radio scanner or simply scanner is a radio receiver that can automatically tune discrete frequencies, scanning over a frequency band to find a signal until the initial transmission ceases.
Several hand-held Project 25 radios used around the world. Project 25 (P25 or APCO-25) is a suite of standards for interoperable digital two-way radio products. P25 was developed by public safety professionals in North America and has gained acceptance for public safety, security, public service, and commercial applications worldwide. [1]
Another type, scan based trunked systems, (not shown) do not have a control channel. Frequencies are for discussion purposes and do not correspond to any specific system. 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.
TIDRADIO TD-H5 GMRS radios. The General Mobile Radio Service (GMRS) is a land-mobile FM UHF radio service designed for short-range two-way voice communication and authorized under part 95 of the US FCC code.
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 ...
Digital mobile radio (DMR) is a digital radio standard for voice and data transmission in non-public radio networks.It was created by the European Telecommunications Standards Institute (ETSI), [1] and is designed to be low-cost and easy to use.
In the United States, the Multi-Use Radio Service (MURS) is a licensed by rule (i.e. under part 95, subpart J, of title 47, Code of Federal Regulations [1]) two-way radio service similar to the Citizens band (CB).
Automatic Link Establishment, commonly known as ALE, is the worldwide de facto standard for digitally initiating and sustaining HF radio communications. [1] ALE is a feature in an HF communications radio transceiver system that enables the radio station to make contact, or initiate a circuit, between itself and another HF radio station or network of stations.