SpaceChecker N.V. operates a Geostationary Satellite Network that provides global mobile data communication services. The company’s products include Satellite Data System (SDS) that provides positioning, tracking, and tracing mobile assets such as trailers or boats and two-way data communication offering remote access to sensor readings, monitoring of assets, command signals, and alphanumeric messages and CheckerOne (C1), a compact satellite modem with a built-in GPS receiver and 3 Interface Ports that connects sensors and peripheral devices such as actuators, data loggers, and input-output terminals and transmits data packages via satellite at scheduled intervals. SpaceChecker was founded in 1999 and is based in Leuven, Belgium. As of February 6, 2006, SpaceChecker is a subsidiary of Punch Telematix Holding.