Cheap AFSK TNC – APRS for everyone | Michal - OM5XM
PLXTracker Blue - APRS Tracker/TNC with Bluetooth | Microsat APRS
KISS TNC functionality · Issue #59 · lora-aprs/LoRa_APRS_iGate · GitHub
APRS GP88S Special Kit TNC Module with GPS Bluetooth|Building Automation| - AliExpress
GitHub - shawnchain/aprs: The TinyAPRS firmware
9W2GEE: 5 in 1 APRS TnC
Arduino KISS TNC | Mobilinkd
APRSdroid on Twitter: "@WinterFoxMan APRSdroid supports USB Serial adapters connected to a KISS TNC. The #PicoAPRS has built in USB Serial and can be configured for KISS mode. For Bluetooth, you might