GVO Marine Electronics: We provide reliable, safe online shopping 24 hours a day, 7 days a week throughout the U.S. and the world. We are strongly committed to providing our customers with top quality merchandise and world class service. Model 71948-GAR0101252700 Power Audio Module for GXM? 53 This cable with integrated electronics supplies power and a data link to the GXM 53 antenna and breaks out audio. Compatible Devices: GXM? 53 Can also be used as a POE injector for cameras like the Garmin GC200 GVO Marine Electronics: . Get the item you ordered or get your money back. Covers your purchase price and original shipping.