V1.3 MMDVM HS Dual Hat MMDVM Duplex RX TX UHF VHF Hotspot Board + Antenna + OLED Support P25 DMR YSF NXDN for Raspberry Pi

LOCKPICKWEBSKU: Duplex RX TX UHF VHF Hotspot Board-With OLED

Type: With OLED
Price:
$41.98

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Stock:
In stock

Description

V1.3 MMDVM HS Dual_Hat MMDVM Duplex RX TX UHF VHF Hotspot Board + Antenna + OLED Support P25 DMR YSF NXDN for Raspberry Pi

MMDVM_DUPLEX hotspot

Setting for Pistar

Setting For Pi-star software and raspberry hardware (rpi 0-3) new pi4b need remove Right Socket
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.

Pi-star General Configuration for MMDVM_DUPLEX

Set Controller Mode:Duplex Repeater or Simple

Radio Frequency : Freq:144-148,219-225,(Main Band)420-475,842-950

Duplex Mode:Example:RX:438.000000 TX:433.000000

Duplex Mode:Example:RX:145.000000 TX:433.000000

Simple Mode:Example:RX:438.000000 TX:438.000000

Radio/Modem Type:STM32-DVM/MMDVM_HS-Raspberry pi Hat(GPIO) or any other (GPIO board)

option:(don't need now, some old board need set)

Admin->Expert->Edit MMDVMHOST->RXOFFSET=0 TXOFFSET=0 (default value in pistar)

(update:2019/2 new 3225 TCXO so offset is 0 )

update new FW: (pi-star / expert / ssh access / user :pi-star pass:raspberry)

sudo pistar-mmdvmhshatflash hs_dual_hat

Uc714704e7ced4c589ed5255d1c9e8a05o Ua04303f957ea467da1edeea3b6bea505z U08dc39cef1f04dc1b2fa17dbd96d2aa6D U2c7979f9b08541eca5bd4bce09ac67f4e
 
DSC_0800DSC_0794DSC_0795DSC_0796DSC_0797DSC_0798

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