Biamp Devio DCM-1 Beamtracking Ceiling Microphone White. Type: Conference microphone, Microphone sensitivity: 70 dB, Microphone frequency: 150 - 16000 Hz. Connectivity technology: Wired, Device interface: RJ-45, Maximum operating distance: 15 m. Product colour: White, Mounting type: Ceiling, Cable length: 3 m. Width: 63 mm, Depth: 63 mm, Height: 51 mm. Package width: 177.8 mm, Package depth: 203.2 mm, Package height: 76.2 mm