remote controls; switches, electric; switchboxes; cut-out switches; electrical and electronic control apparatus and instruments; sensors and detectors; sensors, detectors and monitoring instruments; proximity sensors; sensors for determining velocity; measuring, detecting, monitoring and controlling devices; electronic display instruments; safety, security, protection and signalling devices; electronic control instruments; electrical control, testing and monitoring apparatus; alarms and warning equipment; warning lights [beacons]; electronic communication apparatus; electronic broadcasting apparatus; electronic data communications apparatus; signalling apparatus and instruments; electronic navigational apparatus and instruments; data communication apparatus and instruments; electronic Global Positioning System apparatus; communications apparatus; apparatus for transmitting and communicating data

design and development of data processing apparatus; testing the functionality of apparatus and instruments; design of telecommunication apparatus and devices; design of electronic systems; design of mechanical, electromechanical and optoelectronic apparatus and instruments; design and development of wireless data transmission apparatus, instruments and equipment; design of communications apparatus; design, development and programming of computer software