NavNet 3D HUB101The HUB101 is the center of your NavNet 3D system, connecting all of your displays and components together and allowing for the distribution of information across the network. NavNet 3D is built on an Ethernet network, allowing you to add as few or as many components as you desire along with up to ten displays to create your perfect navigational suite. Power on/off synchronization amongst all of the NavNet 3D display units can be achieved with the use of the dedicated Ethernet HUB101.WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns.