Special OrderModel AOP-SP-E is a wall mount speakerphone
designed to interface with various modes of audio/video transmission
systems. They provide bi-directional audio to the receiving device (DVR,
PC soundcard, IP Camera, etc.). The AOP-SP-E contains a built-in
electret condenser microphone and a 4" speaker. Also, it has control
potentiometers for adjusting the sensitivity of both transmitted and
received audio. AOP-SP-E comes with both back boxes for Flush and Surface mounting to a wall. The unit is weather resistant and maybe used for outdoor applications.