MMDVM Digital Trunk Board DMR C4FM Dstar P25 USB Repeater HotSPOT with OLED for Raspberry Pi

Features: Display with OLED Repeater and Simplex mode change ANY TIME through change the RX/TX board line order. 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: depends on your external radio. High-quality ECS TCXO, stable with low BER. Support Rasp berry Pi 3B, 3B+ Pi ZERO, Compatible with NanoPi NEO, Orange Pi, Compatible to BlueDV(Required to add USBtoTTL or Bluetooth model) With USB interface ,can connect to Rasp berry Pi and PC, inner PL2303 model. Upgrade through ST-Link, USB, GPIO, continue upgrade support. Package includeds: 1 x PCB with complete soldering(with OLED) 1 x PS/2 6Pins Data cable 1 x Linker(suit to GM300/M120/GM338/GM3188/CDM1250/GM340/GM950)