Elevate your marine navigation experience with the HHGPS Connection Kit, designed to seamlessly integrate your RS-232 and NMEA 0183 devices with a range of compatible control heads. This essential accessory is perfect for connecting DSC VHF radios, heading sensors, GPS units, and AIS devices to your Humminbird control head, ensuring you have all the information you need at your fingertips.The HHGPS cable is specifically crafted for use with Humminbird control heads from the 300, 500, 600, 700, 800, 900, 1100, and HELIX Series. With this kit, you can easily connect your NMEA0183 devices to the GPS/NMEA port, enhancing your vessel's navigational capabilities. Please note that while the 700, 800, 900, 1100, and HELIX 8-15 models can supply power to connected devices, the 300, 500, 600, HELIX 5, and HELIX 7 models require external power for optimal performance.Included in the HHGPS Connection Kit is a high-quality NMEA connection cable and comprehensive instructions to guide you through the setup process. This ensures a hassle-free installation, allowing you to focus on what truly matters-your time on the water.Please be aware that this cable is not compatible with APEX, SOLIX, ONIX, or ION units. For those models, the AS GPS NMEA cable is recommended. With a 1-Year Limited Warranty, you can trust in the quality and reliability of this connection kit, making it an indispensable addition to your marine electronics arsenal. Experience the difference in navigation precision and connectivity with the HHGPS Connection Kit today!