This MMDVM Hotspot for Raspberry Pi 3B provides a multimode digital access point: D-Star, DMR, C4FM, P25, POCSAG and NXDN.
MMDVM Duplex hotspot for Amateurs （License request,callsign, DMR ID）
Support MMDVM mode DMR/YSF/P25/NXDN/DSTAR/POCSAG
Double timeslot in DMR mode, act as a mini Digital voice repeater.
Support VHF/UFH, frequency range: 144MHz-148MHz, 420MHz-475MHz,842MHz-950MHz (depend on ADF7021 and TCXO, HAT's Firmware Amateur radio brand license limit)
High-quality ECS TCXO, stable with low BER.
Support Raspberry Pi 3B, 3B+, Pi ZERO, Compatible with NanoPi NEO, Orange Pi, Compatible to BlueDV(Required to add USBtoTTL or Bluetooth model)
Duplex Model_A1 : Acrylic _L case hotspot with 3.2'' Screen（4.3'' Screen optional ）
1x Duplex hotspot board with ANTs
1x Acrylic "L" Case for Nextion 3.2'
1x Acrylic Protect Shield board for MMDVM HAT
1x TF Card
1x Nextion 3.2' ,NX4024T032 (Optional 4.3'' Nextion Screen)
1x Raspberry Pi 3B
1x USB Power supply wire
1x full set of component:
1x Heat sink
Be sure to use a qualified power supply 5V2A, non-conforming power will lead to bit error rate(BER) instability, Overvoltage will burn this NanoPi and HAT！ (package not including charger adapter)