Jumbospot Mini MMDVM HS Dual Hat Duplex RX TX UHF VHF Hotspot Board Kit P25 DMR YSF for Pi-star Raspberry Pi MMDVM Power Bank
Jumbospot Mini MMDVM HS Dual Hat Duplex RX TX UHF VHF Hotspot Board Kit P25 DMR YSF for Pi-star Raspberry Pi MMDVM Power Bank
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Jumbospot Mini MMDVM HS Dual Hat Duplex RX TX UHF VHF Hotspot Board Kit P25 DMR YSF for Pi-star Raspberry Pi MMDVM Power Bank
Description：
Setting For Pi-star software and raspberry hardware (rpi 0-3) new pi4b need remove Right Socket
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
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.
Note: only Duplex RX TX UHF VHF Hotspot Board Kit
Description
Description
Jumbospot Mini MMDVM HS Dual Hat Duplex RX TX UHF VHF Hotspot Board Kit P25 DMR YSF for Pi-star Raspberry Pi MMDVM Power Bank
Description：
Setting For Pi-star software and raspberry hardware (rpi 0-3) new pi4b need remove Right Socket
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
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.
Note: only Duplex RX TX UHF VHF Hotspot Board Kit
Item Specifics
Item Specifics
