Constructed to hold an XM or GPS antenna, the RAM-338U plate fits below the GPS and the mount. Mount your satellite radio receiver and antenna all on a single platform for both ease of installation and use. Whether you’ve run out of space or simply have few good mounting surfaces, and those are already taken, the RAM Sonar/GPS Adapter Plate opens up many possibilities.

Made of durable light weight aluminum, this plate offers mounting solutions for the following: 
1. Easily place an external GPS or XM antenna behind the factory display
2. Mount your cell phone over your VHF to keep communications at the ready 

Material:  
Powder Coated Marine Grade Aluminum 

Note:  
The "U" in the part number reflects product packaged in poly bag.