My heartland Bighorn came already wired for the Furrion camera and I found that their high speed version "Furrion FOS48TAPK-BL" seems to do good signal wise even when moving down the road. I'm not sure which system was referenced in one of the previous posts regarding image distortion, but that is an issue with this one, and the factory back up cameras on my truck, SUV and car. They distort distance to an extent so you have to be careful and really pay attention. That said, I really like having the one on my trailer. Only issue is that the factory wiring on my 5er leaves the camera always powered up from the trailers battery system so I'll have to trace the wiring and figure out where to install an on/off switch. I wish they had wired it to the marker lights or something like that.