Alpha 4851-SXT Main Control Unit with Extended Battery Backup, Supports up to Master Stations and 512 Remote Stations

The Alpha 4851-SXT is a master station - the control point inside the building that answers calls from the door or apartment stations and releases the door. It is the hub the rest of an Alpha intercom system reports to.

• Genuine Alpha Communications part, ordered against the manufacturer part number

Compatibility: Works as part of an Alpha intercom system. Confirm compatibility with your existing stations before adding to an installed system.

Part number: 4851-SXT

Special order item - not stocked; lead time confirmed at order.