Telecommunications, security and protection Telecommunications TV, radio, satellite and fibre optic distribution systems.Centralised voice and data networks, racks and WiFi.Conventional and video intercom systems for homes and buildings.Audio and video equipment, projectors, screens and speakers.Soundproofing of commercial premises, restaurants, meeting rooms, educational institutions, etc. Security and protection Burglar alarms with detectors, sensors and perimeter barriers.Installation of video surveillance cameras with recording.Access control with card, fingerprint or numeric code.Fire protection systems, fire detection circuits and extinguishers.