The first thing I bought was a Garmin motorhome. Combo with reversing camera BC30. which connects. I collect them in one package. Install the rear camera and then download the GPS which took more than 5 hours to update. I have concluded that the device will not work with any camera other than the BC40, so I am buying it. Install it. Learn that it can only be installed with a license plate bracket and does not reach the "wireless" limit. This is an RV to scream out loud. It is big! Whoever designed this garbage should be fired. I feel like I wasted my time and money buying Garmin products and will never do it again! Strongly disappointed. Dear Chinese garbage!