T8D07

Which of the following describes DMR?

1. AA technique for time-multiplexing two digital voice signals on a single 12.5 kHz repeater channel
2. BAn automatic position tracking mode for FM mobiles communicating through repeaters
3. CAn automatic computer logging technique for hands-off logging when communicating while operating a vehicle
4. DA digital technique for transmitting on two repeater inputs simultaneously for automatic error correction

Pick an answer to check it.