Digital Mobile Radio is a standard
developed by the European Telecommunications Standards
Institute (ETSI). It was officially recognised in 2005. DMR operates inside the existing
12.5kHz channel spacing used in licenced land mobile
frequency bands all across the world, and also has the ability to use 6.25kHz channel spacing. DMR provides voice and data. There are three tiers of DMR:
The DMR standard is defined by 4 documents:
Also, the designers guide:
All the above documents are PDF. To read them, you'll need Adobe Reader
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