Quark-elec designs and manufactures high quality electronics for maritime and industrial applications. We offer a range of AIS receivers and a number of SMS/GPS/WiFi activated remote controllers which can be connected to and triggered by multiple inputs including PIR and temperature sensors and remote messaging to actuate a number of outputs including RF mains sockets, electrical motors, valves and switches. Details can be found at www.quark-elec.com where our full range and accompanying technical data can be seen.