4000 SERIES MODULAR TELEPONE ENTRY SYSTEM for up to 40 users

Description

For every apartment, up to 4 numbers will be called up after starting a call. In the case where the first number does not pick up, the next one will be dialed.GSM technology allows the creation of an intercom system in all those complex applications where traditional wiring is not possible. Hence, for all applications where cabling is a concern or if you need to answer calls when you are away, GSM Technoloogy will be ideal.