AIS Black BoxAutomatic Identification System ReceiverAssists in Traffic Monitoring, Management and Collision Prevention!The AIS Black Box receiver connects to your SI-TEX ColorMax 6, ColorMax Wide, ColorMax 11, Navmate, Trawl Plot 12 or Explorer Plus Charting Systems to receive VHF transmissions from vessels carrying AIS transponders to display target data from an unlimited number of vessels and overlay AIS target data on marine charts. In addition, included SeaClear Charting software gives you the capability of displaying the AIS vessel data on your PC mariner charts plus the receiver also works with many PC software applicatons that have AIS capabilities in their software.