Chamberlain's wireless intercom system uses secure digital 900mhz communication for clear reception even at extended ranges. The intercom stations run on batteries for up to a year and can be wall/surface mounted for convenience.
- Secure digital communications, 900 MHZ frequency
- Battery powered by 4 AA batteries (not included) for up to 1 year
- Compatible with NLS1, NLS2, NDIS, NTD2 intercom stations
- 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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