How Trunked Radio Systems Are Beneficial

As you may know, being able to effectively communicate with your workforce is of major importance in any industry. Many businesses and public service organizations have adopted the use of radios for instant communications. There are two main styles of radios designed for this purpose; conventional two-way radios and trunking radios. Both of these are very similar in terms of how they work, but only one can actually help improve the security and efficiency of communications during use.

Trunking radios, unlike conventional radios, do not have user-assignable channels. The reason for this is because with standard 2-way units, anyone is able to switch over to a channel and participate in your conversation whether you want them to or not.

A trunked radio system is a complex type of computer-controlled two-way radio that allows sharing of relatively few radio frequency bands between many users. Instead of assigning a radio channel to one particular organization at a time, users are instead assigned to a "talkgroup". When any person in that group wishes to talk with another member in their talkgroup, a vacant radio channel is found automatically by the system and the conversation takes place on that channel.

This form of communication is basically a packet-switching computer network. Radios send data packets (voice messages) to a computer operating on the Control Channel to request communications with a specific talk-group. The controller then sends a signal to all radios linked to that talkgroup instructing them to automatically switch to the frequency indicated by the transmission. After the user is done speaking, all radios immediately return to the Control Channel to await further transmissions.

Through the use of trunking, radios are able to utilize the same sets of frequencies with less cross-chatter, interruption, and errors since all messages must pass through a central computer for sorting and delivery. This method also allows for a greater volume of communications to pass through the same frequency bands because as soon as a line becomes clear, the system automatically begins to transmit the next message regardless of which talkgroup is active.

With advancements made in this technology since its release in 1997, users are now able to do far more in terms of securing their communications from misuse. Unlike conventional radios, a variety of trunking systems allow for voice encryption and the ability to lock-out radios from talkgroups or even entire networks.

In short, this arrangement allows multiple groups of users to share a small set of actual radio frequencies without hearing each other's conversations. Trunked systems primarily conserve limited radio frequencies and also provide other advanced security features to the users.

Other Helpful Links
New Application: Monitor Trunked Radio Systems for More Reliable Radio Communications
Trunked Radio Systems Help Everyone
Triangle Communications Boosts Network Reliability with In-House Monitoring
Microwave Site Monitoring

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