4 Open Array Only fGMR 424, 624, 1224, 2524.Pair this 4 ft 1.22 m open-array antenna with a pedestal for a better view of the open waters around you. Used with the GMR 424 xHD2, GMR 624 xHD2, GMR 1224 xHD2, and GMR 2524 xHD2.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. SpecificationsRange - Max Miles 72nmPower - Output 6kWArray Size Inches 48Bo