For Raspberry Pi MMDVM Duplex Hotspot Board with OLED Display Screen Support DMR P25 D Star Relay Module UHF VHF

For Raspberry Pi MMDVM Duplex Hotspot Board with OLED Display Screen Support DMR P25 D Star Relay Module UHF VHF Περιγραφή

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)
to 10mW RF power

SMA antenna connector,Antenna included
Mounts cleanly 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
This PCB uses the MMDVM_HS . It has two ADF7021 onboard and allows for duplex operation with two slots DMR.
An accidentially deleted 3v3 wire has been added back to the PCB layout. BOM, Mouser cart and stencil stay the same as for rev1.1.
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.
Color: As Shown
Material: PCB

Package Contents:
1*MMDVM Duplex Hotspot Board KITS