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Old 06-12-2012, 6:48 AM
Join Date: Mar 2009
Location: Mass
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Default TDMA,FDMA with no repeater the same?


I was thinking about the TDMA MotoTrbo and FDMA Nexedge technologies and for Trbo to be effective TDMA you need a repeater. If you have NO repeater wouldn't the two technologies be very similar?
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Old 06-12-2012, 7:05 AM
Join Date: Mar 2009
Location: Mass
Posts: 299

For more clarification I should add that if you have a nexedge radio set to digital at 12.5 and a Trbo radio with no repeater set to 12.5 (you need to have a repeater for time slots) are the radios basically the same or am I confusing the technologies?
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Old 06-12-2012, 8:03 AM
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They use the same vocoder, but that's as far as it goes. Talkaround in DMR (Trbo) simulates a repeater by using the assigned timeslot. The other timeslot is not used for anything. NexEdge has a continuous stream of data for the one talkpath that it supports.
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