Humminbird Advanced Accessory System Extension Cable Our price: $28.99 Humminbird AS CR Usb MMC Card Reader Our price: $46.99 Humminbird As GR50 GPS Sensor 50 Channel Our price: $116.99 Humminbird AS USB Usb/Serial Connection Our price: $38.99 Humminbird AS-BP WeatherSense (tm) Fishing Condition Monitor Our price: $67.99 Humminbird AS-CANNONLINK Downrigger Controller The CannonLink System Module enables any Fishing System to control the operation of up to 6 Cannon Mag20 DT and the Mag20 DT/HS downriggers Our price: $158.99 Humminbird AS-GR16 16 Channel GPS Sensor 16 Channel WAAS GPS Receiver - NMEA 0183 for Matrix, 900 Series, 700 Series Our price: $83.99 Humminbird AS-HHGPS Handheld GPS Connection Kit Our price: $24.99 Humminbird AS-INTERLINK Fishing System Network Connection Share GPS position, waypoints, and routes between two Humminbird fishfinders in real time. Daisy chain InterLink with other modules to create a digital network on your boat Our price: $97.99 Humminbird AS-PC2 PC Connection Kit Our price: $24.99 Humminbird AS-RSL Matrix-Smartcast Wireless Sonar Link Our price: $76.99 Humminbird AS-YC Advanced Accessory System Y Cable Our price: $27.99 Humminbird IDMK300 In-dash Flush Mount for 300 Series Our price: $21.99 Humminbird IDMK700 In-dash Flush Mount Kit for 700 Series Our price: $21.99 Humminbird IDMK900 Flush Kit For 900 Series Kit allows in-dash mounting of all 900 Series products Our price: $31.99 Humminbird Piranha Portable Case Conversion Kit Our price: $47.99 Humminbird RF45 Advanced Remote Sonar Sensor Our price: $26.99