Newest V1.3 MMDVM_HS_Dual_Hat Duplex Hotspot board +2pcs Antenna Support P25 DMR YSF NXDN For Raspberry pi

Newest V1.3 MMDVM_HS_Dual_Hat Duplex Hotspot board +2pcs Antenna Support P25 DMR YSF NXDN For Raspberry pi

This is the newest and best version
 1.Latest version  V1.3, and the firmware is latest
 2. original cystal :  Original ECS-TXO-3225-147.4-TR from USA

Duplex variant of MMDVM_HS_Hat
This PCB uses the MMDVM_HS . It has two ADF7021 onboard and allows for duplex operation with two time slots on DMR.
 
Revision 1.3
- An accidentially deleted 3v3 wire has been added back to the PCB layout. BOM, Mouser cart and stencil stay the same as for rev1.2.

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

Note
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 x1
- Antenna x 2
- SMA socket x 2pcs