A custom controller board and some ham-genuity transforms this repeater. See how a Pi 4 (or even a $30 Pi Zero 2 W) can give new life to old tech. Cable pinout link below! #hamradio
👉 Retevis RT97L Repeater: https://geni.us/QvHAS
👉 TOADs Digital Interface: https://temporarilyoffline.com/products/toads-digital-interface?variant=42091745378438
👉 TOADs DI6 Daughter Board: https://temporarilyoffline.com/products/toads-di6-daughterboard?variant=42293443690630
👉 TOADs Shell: https://hamradiolife.shop/KM9G Code KM9G
👉 DB9 Breakout Cable Shell: https://geni.us/Fm0Et4Y
👉 Mini-DIN 6 Cable End: https://geni.us/oZxNq
👉 Raspberry Pi Zero 2W: https://geni.us/eKI2Ne
👉 Cable Pinout Guide: https://geni.us/kzB8k
#GMRSRepeater #TechUpgrade #DIYElectronics
