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Trunking is a more automated and complex radio system, but provides the benefits of less user intervention to operate the radio and greater spectral efficiency with large numbers of users. Instead of assigning a radio channel to one particular user group at a time, users are instead assigned to a logical grouping, a talkgroup. When any user in ...
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]
Motorola Trunking radios directly interpret these status bits for their special functions, therefore no difference is noticed by the user. Some Scanners may interpret these special talkgroup status bits as different talkgroups entirely. Below is the conversion chart for these special status bits:
While most radio models were sold with a speaker and microphone, some had a telephone handset and cradle attached to the front of the dash-mount radio housing. There was an earlier trunk-mount model that looked like a MASTR Executive II with the name Mastr. A MPR-series hand-held model was offered for GE Marc V trunked systems.
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.
The network is a digital 9600 bps Project 25 (commonly referred to as P25 or APCO-25) Phase 2 trunked radio system operating in the UHF band between 403 MHz and 430 MHz in 12.5 kHz steps. [7] End user equipment is supplied mostly by Motorola , and consists primarily of Motorola APX series mobiles and portables two-way radios (although Benelec ...
The term PMR is often used by the public and magazine publishing to refer to the low power (500 milliwatt) PMR446 license exempt radio systems that consist of sixteen FM frequencies between 446.00625 and 446.19375 MHz for analog FM and thirty-two FDMA (digital) channels between 446.003125 and 446.196875 MHz. These are used for personal or ...
The PRC-163 is one of the Handheld, Manpack & Small Form Fit (HMS) components [3] of the Integrated Tactical Network family of radios, [1] the U.S. Army's modernization strategy for tactical radios. It is a member of L3Harris' Falcon IV family of tactical radios, and the successor to the Falcon III-family AN/PRC-152 Multiband Handheld Radio .