Garmin Power Audio Module f/GXM 53 and GXM 54 [010-12527-00]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 WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings. ca. gov. Specifications: Type: Power Cords Box Dimensions: 2"H x 7"W x 8"L WT: 0. 85 lbs