The RGB-PCM3.1N interfaces 2 video inputs including a backup camera with dynamic guidelines to the factory touch screen radio in select Porsches equipped with the PCM3.1 radio. 

This modification is used for select radios that have no option of adding a video input (typically for reverse cam) with any available interface. This modification will add 1 video input and one rear camera input, selectable by CAN data (rev cam) or OEM button (video input). 

The PCM3.1 XG-CAM integrates an aftermarket camera into specific Porsche PCM3.1 model
radios (Panamera '09+, Cayenne '11+, 991/Cayman/Boxster '12/13+, Macan/CDR+ radio).  Forced camera (front and rear) is also an option if desired. 

High-quality universal top-mount rear or front view camera with composite video output.