BENEFITS OF DMR(1)

DMR offers several benefits to users, technicians, managers, and the rest of your organization.

Firstly, DMR is an ‘open’ standard and is not proprietary to a single manufacturer. This means that competition is possible between manufacturers, not only when a new system is purchased, but over the lifetime of the system. So, if you need to purchase new subscriber units there will always be multiple options and competitive pricing.

Second is Digital Audio Quality. For the end user, one of the key benefits of DMR digital radio technology is the improvement in audio quality over analog.

As shown in the graph below, an analog signal will gradually weaken and become harder to use as the distance from the site is increased. The user will experience increased amounts of ‘hiss and crackle’ until finally the received audio is completely lost in the noise.

A digital signal, however, will remain clear to the edge of coverage. DMR systems use a device called the AMBE+2™ vocoder to convert voice information into digital data. During the digitization process, the background audio noise like sirens, engines, wind etc. typically present in analog systems, is reduced.

Third is Data applications. Not only is DMR capable of transmitting voice, but the end-to-end digital nature of DMR enables data applications such as text messaging, GPS, SCADA, and telemetry. As the DMR standard also supports the transmission of IP data over the air, this allows for the easy development of standard applications. Your ability to host a wide range of data applications on your voice system will result in the greatest possible return on investment. In fact, one of the key drivers for users switching to digital is the ability to add business enhancing data services and applications to radio systems.

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