Humminbird 4063401 AS GR16 16 Channel WAAS GPS Receiver
The Humminbird 4063401 AS GR16 16 Channel WAAS GPS Receiver lets you take advantage of the advanced GPS capability of all GPS Ready or Combo Products. Connect this to any GPS Receiver to your Matrix unit to see your position, breadcrumb trail, speed and other GPS features. The receiver mounts on standard 1x14-inch marine thread. The unit includes a 20-foot cable and hardware. It's designed for use with Matrix 10, Matrix 12, Matrix 15, Matrix 17, Matrix 20, Matrix 25, Matrix 27, Matrix 35, Matrix 37, Matrix 47 3D, Matrix 55, Matrix 65, Matrix 67, Matrix 77c, Matrix 87c, Matrix 97, 787c2, 777c2, 767, 737, 727, 931c, 937c, 947c 3D, 981c SI, 987c SI.