PULOX PO-230 Manual De Instrucciones página 160

For transmitters rated at a maximum output power not listed above,
the recommended separation distanced in meters (m) can be esti-
mated using the equation applicable to the frequency of the trans-
mitter, where P is the maximum output power rating of the transmit-
ter in watts (W) according to the transmitter manufacturer.
NOTE 1 At 80MHz and 800MHz, the separation distance for the
higher frequency range applies.
NOTE 2 These guidelines may not apply in all situations. Electromag-
netic propagation is affected by absorption and reflection from struc-
tures, objects and people.