http://www.freeinfosociety.com/media/pdf/4466.pdf
https://fas.org/irp/doddir/army/fm24-18.pdf
https://armypubs.army.mil/epubs/DR_pubs/DR_a/pdf/ARN3871_ATP%206-02.53%20FINAL%20WEB.pdf
go do some reading before opening your mouth.
They clearly go over frequency and power application regarding electronic communications. MUH OWN ADVICE.