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NEW Soldered MMDVM DUPLEX hotspot Support P25 DMR YSF NXDN DMR SLOT 1+ SLOT 2 for Raspberry pi + OLED

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Description
Item Specifics

 

This PCB uses the MMDVM_HS . It has two ADF7021 onboard and allows for duplex operation with two time slots on DMR.

 

Note:  it is only mmdvm board,  need to prepare one raspberry pi  and one SD card !

 

Features: 
-
 High performance 32-bit ARM processor
- Fully tested
- Supports DMR, P-25,D-Star  YSF 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   x1

- Antenna x 2

 

 

Description

Item Specifics

Description

 

This PCB uses the MMDVM_HS . It has two ADF7021 onboard and allows for duplex operation with two time slots on DMR.

 

Note:  it is only mmdvm board,  need to prepare one raspberry pi  and one SD card !

 

Features: 
-
 High performance 32-bit ARM processor
- Fully tested
- Supports DMR, P-25,D-Star  YSF 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   x1

- Antenna x 2