A door phone entry system can be either audio or video and audio. There are many manufacturers of these systems including;
Also available to the market are Wireless Entry Systems that allow the installation without cables being run between the units. These systems do have their limitations regarding distances, but can save a lot of time and expense concealing wiring. Technology is always advancing, and a present systems are being released that are able to work on IP (Internet Protocol) utilising your existing network and computer, allowing you to answer your door via your computer.
FREE SITE SURVEY
Entacom offer a free site survey and written quotation service for installations of new or replacement door phone entry, access control and CCTV systems for premises within the BN postcode area.