NDIS - Chamberlain Digital Wireless Doorbell Intercom System

Chamberlain's wireless doorbell and intercom system uses secure digital 900mhz communication for clear reception even at extended ranges. The stations run on batteries for up to a year or inside stations can be use a plug-in AC power adapter (not included). Inside stations may be left on a desk or can be wall mounted for convenience and can be used in either push-to-talk mode or voice operated mode so an intercom call can be answered hands free. The monitor mode button is great for monitoring kids play areas, baby's room or in an office. Conversations can take place between two units, or multiple units in a larger installation.

Secure digital communications, 900 MHZ frequency
Battery powered by 4 AA batteries (not included) for up to 1 year
Can be powered by an optional plug-in AC to DC power adapter (not included)
Can be expanded up to 64 total intercom stations
Compatible with NLS1, NLS2, NDIS, NTD2 intercom stations
Communicate between 2 stations, or multiple stations in a network using the page feature
Monitor mode allows an intercom station to be used as a monitor
Up to 1000 foot maximum range (clear line of site without interference). Walls, doors, ceilings will reduce this range at varying degrees depending on structure material and density.
1 year warranty

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NDIS Documentation

NDIS Manual:

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Customer feedback

Customer Reviews

Author: Brent (North Vancouver, BC)
Awesome system. Had the doorbell set for a few weeks now and have bought an extra intercom. Well built. Would definitely recommend this.