The Multi-Resident GSM Wireless Telephone Entry System model calls up to 500 apartments. Wirelessly using a SIM card (not provided). The digital display allows users to scroll through a directory and dial up the apartment number. System is able to be programmed by SMS text, a PC computer or at the unit using the keypad.

SDI Multi Phone Entry

Key Product Features:

  • Up to 3 numbers can be called in sequence per apartment
  • Keypad can be used as a 6-digit access control


Product Documents:

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