Aiphone IER-2 Call Extension Speaker liftmaster MA003B This is a 315MHz Security+®

This is a 315MHz Security+® Receiver Logic Board with End Panel

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1802-EPD includes a built-in electronic directory

Exterior Dimensions: (in) 6

Satin Chrome) | SCH-L9453P-06A-626

Aiphone IER-2 Call Extension Speaker liftmaster MA003B This is a 315MHz Security+®Aiphone IER 2 Call Extension Speaker The Aiphone IER 2 Call Extension Speaker provides an additional audible notification for compatible Aiphone answering stations. When the connected station receives an incoming call, the IER 2 produces a chime to help alert users in another room, hallway, office, or nearby area. Designed for use with compatible Aiphone DB, JO, JP, KB, and NIM Series systems, the extension speaker is ideal for locations where the