4250 ListenIn Module
The ListenIn is an optional unit that when added to the Advantage plus Base Module gives the system the ability to support sixteen additional audio verification sensors (Advantage Audio Sensors or Advantage GlassBreaks). The Advantage plus Base Module can interface and control up to eight ListenIn Modules.
Location information is not stored for ListenIn module sensors. UL Listing for this module covers device compatibility as an accessory only. The audio verification performance of this module has not been investigated by UL.
