Established in 1989, Tsien (UK) Ltd is a specialist electronics and software company located in a small town called Chatteris, in Cambridgeshire. Historically, they are primarily known for producing a CAD software tool called BoardMaker, now in its 3rd generation. The company also has vast experience in hardware design and manufacturing, in the mid-90s were involved in design and manufacture of electrical protection relays. Their predominant focus in recent times is in the design and manufacture of radar sensor systems for the vehicle detection market. Applications include traffic calming measures, Vehicle Activated Signs and Intelligent Traffic Systems. They operate under the trading brand name of Kestrel Radar Sensors. Visit their website for more detailed information about the products they offer.