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Enterprise Service Group, Inc.

Enterprise Service Group, Inc.

750 3rd Ave.
2nd Floor
Brooklyn, NY 11232


ESG-350 vestibule panel

This is a vandal proof stainless steel vestibule panel equipped with a 12 push-button vandal resistant keypad that is compatible with any other kind of intercom systems. This vestibule panel can be used for buildings with a capacity of up to 256 apartments. 

The ESG-350 vestibule panel can be customized with three options:  

  • A vestibule panel with directory, or
  • A vestibule panel with bright back light LCD, or
  • A vestibule panel with directory and LED Numeric Display for identification code number 

Engraving on the vestibule panel could be: 

  • Address of the building.
  • Directory for users.
  • Name and telephone number of the installation company.

Option: Vestibule panel directory can be furnished with the following engraved plastic strips: 

  • Tenant's Code and Name, or
  • Tenant's Apartment Number and Code, or
  • Tenant's Name, Apartment Number and Code.

ESG-500 Intercom system

The ESG-500 Intercom system can be used with ESG-500 (plastic) or ESG-500S (stainless steel) two wire, two push button apartment station. The ESG-600 two-wire Intercom system can be used with a plastic specially designed handset (handset is available only in white).


  • Advanced design apartment station and electronic board.
  • High quality electronic parts.
  • A specially designed amplifier that provides clear audio in both directions.
  • Operation at the same time of up to two doors release, including magnetic lock.
  • Adjustable volume and time delay for the ring-up and door release.
  • Two tone-generators (for a ring up and private doorbell) with different sounds.
  • Low voltage operation.
  • Add one (1) common wire for a private doorbell.
  • All wiring should be tin/copper type, 22 AWG, unless otherwise noted.

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