Duplex Hotspot Board MMDVM Hotspot Board Welded Tested Easy Debugging Support Upgrading

Features: - Support for MMDVM mode: For DMR / YSF / C4FM / P25 / NXDN / DSTAR / POCSAG - Dual time slot DMR mode, can be used as a small digital voice relay - Frequency range: 144MHz-148MHz, 420MHz-475MHz, 842MHz-950MHz (depending on firmware and amateur radio license restrictions) - For KDS TCXO, stable, low bit error rate - Support UHF / VHF amateur section, maximum theoretical output of 20MW - Support various digital modes, duplex, offline, dual time slot simultaneous listening and QSO, and the bit error rate can be adjusted below 0.5%. - Support for 3B, Pi ZERO, NanoPi NEO, Orange Pi compatible, support for BlueDV (need to use USB head TTL adapter) - Not support for Raspberry Pi 3B + (3B plus) / Raspberry Pi 4B - Easy to debug and support upgrading Package Included: - 1 x PCB Board - 2 x Antennas (default long white antennas, please leave a message if you need to change to black short antenna) - 1 x 4PIN Connector Precautions: - When using DMR / P25 / NXDN mode for networking, a valid DMR-ID (also called Radio-ID) is required, and manufacturers provide application assistance. YSF / C4FM / D-Star mode does not require an ID and can be connected directly by setting a call sign on a digital radio station.