A single 12.5 kHz channel is able to carry two simultaneous and independent conversations, or simultaneous and independent voice and data paths each with 6.25 kHz equivalency, however the bandwidth of DMR exceedes the maximum required for UHF 6.25 kHz channel centers. The format is based on, and compatible with the European 2-slot DMR standard and uses Time Division Multiple Access ( TDMA) to effectively accommodate two simultaneous users. MOTOTRBO is a Motorola digital radio product marketed primarily to business/industrial users.
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