Digital Trunked Radio System

Trunking allows agencies to provide dozens or even hundreds of groups of users to share a small number of computer controlled radio frequencies.

Digital trunked radio system.

A trunked radio system is a digital two way radio system that uses a digital control channel to automatically assign frequency channels to groups of users. Trunked radio systems are one of the most complex types of radio systems. All trunked radios operate in a similar manner although the type of trunking technology used by each type of trunked radio system differs greatly. This is often a difficult concept for scanner enthusiasts to understand as trunking represents a paradigm shift in design of the system.

The motorola apco project 25 system is the only digital system that may be heard on radio scanners and currently only on a few high end models see below for more. Motorola type i motorola type ii motorola type i ii hybrid general electric edacs and ef johnson s logic trunked radio ltr systems. When a user say an officer or sergeant in the field wants to send a message the system assigns them to an available channel decreasing the likelihood that they ll have to wait for a free channel to. Tetra was specifically designed for use by government agencies emergency services police forces fire departments ambulance for public safety networks rail transport staff for train radios.

These systems typically have access to. The uniden beartracker 885 cb radio digital scanner is uniden s newest radio. Uniden sds200 advanced x base mobile digital trunking scanner incorporates the latest true i q receiver technology best digital decode performance in the industry 4 6 out of 5 stars 154 699 99 699. The most expensive models are also digital which is required on many trunked and non trunked.

The first uniden police scanner to scan as well as transmit receive via cb radio. In a traditional half duplex land mobile radio system a group of users a talkgroup with portable two way radios communicate over a single shared radio channel with one user at a time talking. Trunked radio systems centrally manage a pool of channels and intelligently switch users to whatever channel is open at a given time. Police scanner cb radio does what no other radio can do.

Trunked radio system analog trunked radio is going to be obsolete since digital trunked radio offers better functions and features in terms of voice quality security spectrum efficiency and cost. Terrestrial trunked radio tetra. In the trunked radio environment each agency is assigned one or more talkgroups that the agency s communications will use. A trunked radio system is a computer controlled network that automatically connects users to available radio channels when they need them.

Full featured 40 channel cb radio beartracker warning system legal alternative to radar detectors police fire ems dot. All agencies on the system will have different talkgroups but all will.