27 51 23 - Intercommunications and Program Systems

Below you will find links to company and product information for manufacturers and suppliers listed in theIntercommunications and Program Systems section of Sweets... more


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DoorKing, Inc. - 1833 - 80 Series Telephone Entry System
DoorKing, Inc. - 1833 - 80 Series Telephone Entry System
Description: The Model 1833 is an ideal telephone entry and access control system that is suited for applications that do not require a directory or in applications where a separate directory exists.