LoRaWAN you should be ok if you use the Australian/NZ 915-928 frequencies Note: when you use the examples from the github use the US 915 codebase for the server and client https://github.com/pycom/pycom-libraries/tree/master/examples/lorawan-nano-gateway there is a youtube video about this code. Search pycom alexs corner https://www.thethingsnetwork.org/wiki/LoRaWAN/Frequencies/By-Country

@jmarcelino D'oh! You'r right. It's a ESP32. After 20 years with Atmels and PICs, my mind falls back into this world... Cheers, Thomas