The new #LoRa Module @PINE64 is based on Semtech SX1262 ... Here's the Reference Implementation of the SX1262 Driver
https://github.com/Lora-net/LoRaMac-node/tree/master/src/radio/sx126x
Straight vs Coiled #LoRa Antenna ... It's the Antenna Length that matters
https://www.thethingsnetwork.org/forum/t/antenna-length-for-868-and-433-mhz/5378
Shorter Antenna for Higher Frequency ... Because Antenna Length is Wavelength divided by 4
https://www.thethingsnetwork.org/forum/t/antenna-length-for-868-and-433-mhz/5378
@deesapoetra Haha yep I call it the "stringy flappy thingy" 😂