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audio door entry
With over 20 years experience, SRS is able to provide you with the right equipment at the right price to suit your installation.

Please feel free to contact us with any questions you may have.
Bitron Video Group AUDIO DOOR ENTRY. Bitron audio door entry kits and systems. Door Entry Direct have been distributing Bitron Video intercom systems for over 20 years. Bitron Video have pioneered 5 wire video technology for many years allowing no coax (systems not using coaxial RG59 cable). This cuts installation time and wiring complexity. Audio systems are either traditional 4+n and 1+n for use with the Bitron 5 wire video
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