MMDVM DUPLEX Hotspot Support P25 DMR YSF NXDN DMR SLOT 1+ SLOT 2 for Raspberry Pi

Duplex variant of MMDVM HS HatThis PCB uses the MMDVM HS It has two ADF7021 onboard and allows for duplex operation with two time slots on DMR Features High performance 32 bit ARM processor Fully tested Supports DMR P 25 D Star and System Fusion Onboard LEDs to show status Tx Rx PTT Mode Up to 10mW RF power SMA antenna connector Antenna included Mounts cleanly on all current Raspberry Pi s including the Pi Zero The firmware is pre loaded and is easily upgraded via software Open source 3D printable case available UHF 430 450 MHz 433mhz and 900MHzVHF 144 220 Opera FREQThe upper part is TX the lower is RX antenna UHF VHFSMA antennaModem select STM32 HS GPIOSet TX frequency RX frequencyTX RX frequency had better 10M or more apart SLOT1 SLOT2 support Package Included 1 Duplex Hotspot Kit