BlueNet 20 SwitchIncrease the number of available network ports in a Garmin BlueNet network. Once youve used all the ports on your compatible chartplotter just add a Garmin BlueNet 20 switch to the setup and keep constructing your expansive high-speed network.In the Box:Garmin BlueNet 20 SwitchPower cableMounting hardwareGarmin BlueNet network cable (2 meters)Documentation