I am a new fifth wheel owner & I back up most of the time by myself. I thought maybe it would be a good idea to have a wireless camera & monitor in my truck for backing up & possibly when travelling ...
I recently installed the Garmin BC20 wireless camera on my 30' unit, that is designed to go with the new RV760lmt GPS. When using the optional 50' extension cable, and mounting the transmitter on the vertical wall just behind the pin box, it works fine.
Probably not as clear a picture as a wired unit, but sufficient.