Raytel Security Systems specialises in the manufacture and supply of Door Entry and Access Control Systems for many types of secure areas. These range from private dwellings to local authority owned apartment blocks, schools, public buildings, private driveways and car parks. The equipment ranges from simple domestic and office audio and video entry kits to complex hybrid multi-appartment, multi block systems incorporating both door entry and access systems.* Various proprietary access systems can be incorporated in RSS's own range of bespoke door entry systems. Door Entry - entry controlled by a porter, concierge, occupant of apartment or office. Access - automatic access by means of card, code or proximity token.