{{underline|Remark:}}<br />using a rule of three between the Voyager I distance and radio power is a bit over-simplistic but is good enough to demonstrate the possibility of sending data on long distance with RFM69 @ 433 MHz.
{{underline|Remark:}}<br />using a rule of three between the Voyager I distance and radio power is a bit over-simplistic but is good enough to demonstrate the possibility of sending data on long distance with RFM69 @ 433 MHz.