1、Fitment: Fit for NMEA 2000 Networks, for Lowrance Networks, for Simrad Networks, for B and G Networks, for Navico Networks, for Garmin Networks. 2、Main Function: In hard to access areas, use the male field installable connectors to create custom length drop cables and backbone extension cables. 3、Easy Use: Use at the foot of the mast for easy connection/disconnection, of the mast cables for mast mounted for NMEA 2000 sensors, to the backbone. 4、Universal: For NMEA 2000 Certified, compatible with other manufacturers' products. Make it easier to run for NMEA 2000 cables. 5、Long Durability: Field installable connector is made of high quality ABS and metal material, oil resistant, IP67 water resistant and durable to use.