Teensy 3.6 + LoRa 433MHz + 24 Hours test
The Adafruit LoRa Transceiver working on the 433MHz frequency.
Not using a wireless access network.
The script works in raw transparent mode where bytes are transmitted as is with no checking. All receivers will pick up the message.
Please remember this is a public wavelength and we should aim to use less than 1% of the airspace.