2X (MMDVM_HS_Dual_Hat duplex MMDVM Hotspot P25 DMR YSF NXDN Pi verzió 1.0 D5A7

2X(MMDVM_HS_Dual_Hat Duplex MMDVM Hotspot P25 DMR YSF NXDN Pi Revision 1.0 D5A7

2X(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 1.0
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.
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.
colour:green
Material:PCB plastic
size:70*60*20mm
Package Contents:
1 *MMDVM HotSPOT Module OLED
2 *antenna
Note:
Without shell
Not include the raspberry pi
The firmware is pre-loaded. if you want update pls Click Updated site
Only the above package content, other products are not included.
Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is /- 1-3cm.)

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