RosTech Electronics cctv, security cameras, watchtech, Quebec security, Montreal cameras, dvr cards, digital surveillance, digital surveillance systems, surveillance equipment, wireless cameras, trailer cameras, rostech RosTech Electronics, established in 1967, is a leading CCTV (Closed-circuit television) systems manufacturer and supplier with offices in the US and Canada. We offer the latest in video surveillance equipment from armoured night vision color cameras to internet remote monitoring systems.