The 1812 Access Plus is a versatile PC Programmable Telephone Entry System that provides voice communication for up to 27 residents from the main entry point to the resident via the phone network. Up ...
Inglewood, CA – DoorKing, Inc has introduced a new cellular add-on product for its full line of telephone entry and access control systems. The cellular service provides both voice and programming via ...
DoorKing’s cellular connection service provides not only voice communication for the entry system, but also uses the cellular network for all programming functions. Most other cellular telephone entry ...
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