[RC232] How this lower frequency does effect to the range?

Lowering frequency would certainly increase range.
Compared to 868 it might be double range.
That means at 400 MHz a 21 dBm solution will have same range as 27 dBm output solution at 868 MHz.

Last Update: August 8, 2017  

December 13, 2016   1160    RC232 Q&A