THE AWIN UPGRADE TO TDMA
All AWIN sites have been upgraded to TDMA as part of a larger statewide system upgrade, which will be completed in 2023.
At this time, there is no plan to require AWIN users to replace their Phase 1 radios by a specific date; however, the sooner they are tapered off the system, the sooner all AWIN users will benefit from the doubled capacity of TDMA. To this end, AWIN stopped issuing new radio IDs to Phase 1 (FDMA) radios in December, 2019. As agencies replace radios, the replacements must be Phase 2 (TDMA) devices.
Be aware that new radios advertised as “Phase 2-capable” may require additional firmware and programming to enable them to function as TDMA radios and must have this capability enabled to be allowed on the AWIN system.
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