MS – MF440 Handset With Call Back MF440H

Call-Back Display Unit for the MF440 Digital Apartment Intercom System. Should you opt for a Call-Back option on your system, where tenants can call the guard-house, the system will require this Call-Display Unit so that the Guard can identify which unit is calling the guard-house.

Aluminium Housing:

• Size: 180mm  x 140mm wide x 70mm high
• Mounting : Surface box
• Finish : Anodized Indoor Aluminium Box
• Power : 24vdc; 30ma (idle)