AURSINC Allstar RF Node UHF SRFRS Radio Programming Module Pihat for Allstar Echolink APRS Digital Modes Compatible for Raspberry Pi 234 Pin to Pin Replace SA818 Module UHF Freq 400470

PlugandPlay Allstar Node AURSINC Allstar Node SRFRS Radio Programming Module pin to pin replace SA818 Module is a versatile RaspberryPi hat that can be used for AllstarLink Echolink APRS or any digital modes Working Mode The both sides of the a TYPE C connecters have different function PWRCOSFlash Communication with Raspberry on USB main PWRGREEN use devttyUSB0 to Change UHF RF node Frequency only work when you want change UHF Freq 400470 Additional Help Use the program in this GitHub repository to program the radio module SRFRS used for the PiHat github comjumbo5566SRFRS DCS Codes not support YET Please refer to this link for setup questions allstarlink githubioadvtopicssa818modulessa818 Compatibility issues Compatible with Rpi 2Zero 2Zero 2W33b44b it can communicate directly with the Rpi via the included Type C to USB cable Please note that the USB connector should be properly inserted into the device Four section on This Program RadioProgram the radio frequencytomesquelch Volume Set the volume level FiltersSet filters VersionShow the firmware version of the SA818 SR110U Board OLED Indicators PTT flash red led light means RF transmit COS in blue means receiving the RF signal COM in YELLOW means audio data transmit PWR means power supply is normal If you encounter issues with signal transmission please enable the VOX function to transmit normally Package list NOTE A SRFRS Radio Programming Module USB C Cable and an Antenna NOTE Before programming the SRFRS module make sure you HAVE consulted the band plan for your country and transmit on a frequency you are allowed to use.