Latest V1.3 MMDVM HS Dual Hat Duplex Hotspot Board Support P25 DMR YSF NXDN for Raspberry Pi

SKU: MMDVM HS Dual Hat Duplex Hotspot Board

Price:
$37.77 $53.62

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In stock

Description

Latest V1.3 MMDVM HS Dual Hat Duplex Hotspot Board Support P25 DMR YSF NXDN for Raspberry Pi
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.

The default bit error rate is less than 5%, and the default offset is 0. If the bit error rate is more than 5%, as long as the signal can be received, it can be corrected by offset.

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

VHF 144 220 Opera FREQ

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 

DSC_0800DSC_0794DSC_0795DSC_0796DSC_0798
U2c7979f9b08541eca5bd4bce09ac67f4e

 

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