Set up channels for LoRaWAN EU 863-870MHz ABP
Using LoPy configured for EU 863-870MHz by default only the three mandatory channels 868.1, 868.3 and 868.5 MHz configured. Most networks are using the Semtech 8-channel frequency plan. For proper operation and network compatibility of the device it is necessary to add channels when you are using ABP join:
Multi SF channels required for ADR (Adaptive Data Rate). DR6 is useful for high speed data transmission close to the gateway when no reflections.
Semtech channel plan has an 50kbps FSK channel also, but it is not supported in the LoPy firmware.