Agricultural Reach and Reach RS testing

[timvand (Tim V)]

@Andreas_Ortner, check out @mikhail.avkhimenia comment below regarding LoRas and Reach.

Reach RS and LoRa 868/915 MHz radio

LoRa radios are a little bit more complicated than the ones used for telemetry like 3DR Radio. LoRas from different manufacturers may be partially (in)compatible with each other due to the different firmware abilities. Because of proprietary firmware they also have different configuration interfaces - some use ASCII protocols, some have GPIOs for mode switching etc. We aim to provide a solution for external LoRa module, but need to work out some supply and compatibility stuff first, so I can’t …