915 Generation P25 Mini Duplex MMDVM Hot Spot Board for Pi Star Zero W 0W

Detailed Information About The Product:

Supports , P-25, D-Star and System
Fully tested
Onboard LED to show status (TX, , PTT, Mode)
SMA antenna connector, antenna included
Mounts on all current for 's including the Pi Zero w /2W

Only applicable to Mini Duplex MMDVM board
To set the Pi star software and raspberry hardware (rpi 0-3), you need to delete the Right Socket for the new pi4b
MMDVM_ General Pi star configuration of DUPLEX
Set controller mode: duplex repeater or simple
RF: Freq: 144-148219-225 (main frequency band) 420-475842-950
Duplex mode: Example: : 438.000000 TX: 433.000000
Duplex mode: Example: : 145.000000 TX: 433.000000
Simple mode: Example: : 438.000000 TX: 438.000000
Best adjusted: TX =0, =0,need no offset.
Radio/modem type: STM32-DVM/MMDVM_ Aspberry pi Hat (GPIO) or any other (GPIO board)
Antenna: on board two antennas
:on board to show status, with status words on shell
Update new firmware: (pi star/Expert/ssh access/: pi star pass: raspberry)
sudo pistar-mmdvmhshatflash hs_ dual_ hat
The default bit error rate is less than 5%, and the default offset is 0. If the bit error rate is 5%, as long as the signal can be received, it can be corrected through offset.
color:White
Material:PCB

Package Contents:
1 x Hotspot board
2 x Row

Only the above package content, other products are not included.
Note: Light reflection 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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