Description
This 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 900MHz
VHF 144 220 Opera FREQ
Duplex variant of MMDVM_HS_Hat
The upper part is TX,the lower is RX antenna.
UHF+VHF
SMA,antenna
Modem select:STM32_HS_GPIO
Set TX frequency,RX frequency
TX,RX frequency had better 10M or more apart.
SLOT1,SLOT2 support.
Package List:
- MMDVM duplex HotSPOT Module with OLED x1
- Antenna x 2
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