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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

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Description
Item Specifics

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

Item Specifics

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