3 ms·
Seeed and RAK make modules that are ~$20 and work over AT commands, however you still need to abide by ISM bands(or relevant band plan for the country you are i
by vvanders 3y ago
Seeed and RAK make modules that are ~$20 and work over AT commands, however you still need to abide by ISM bands(or relevant band plan for the country you are in) which can limit your duty cycles.