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Telephone Integrated Intercoms

TELEPHONE ENTRY INTERCOM ONE DOOR/GATE SYSTEMS, TWO DOOR/GATE SYSTEM for SINGLE FAMILY HOMES or DUPLEXES/TWINS. 

The systems DO NOT REQUIRE AN OUTSIDE telephone line but do require to be connected to traditional analog telephone devices.

When a visitor  calls from the door or gate your phone rings pickup the phone speak with the visitor and press 0 on the phone keyboard to UNLOCK the DOOR or OPEN the GATE

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