Today we were checking out some wiring .We carry 800MHZ trunked radios I have no idea what the output of the radios is .But we were checking 2 GFCI's in a weatherproof box.One of the GFCI was powered the other was not.When I would talk on the raido the powered GFCI would try to trip you could hear the relay in the GFCI chatter.When I put the weatherproof cover back on the box and keyed the raido the relay would not chatter. I just thought you might light to know. HYPRSSS