Cisco Unified IP Conference Station 7936. Voice codecs: G.729a, VoIP protocols: SCCP, Networking features: 10/100BaseTx Ethernet. Display number of colours: Monochrome. Microphone sensitivity: 86.5 dB, Microphone frequency: 300 - 3500 Hz. Cabling technology: RJ45. Weight: 0.8 kg, Dimensions (WxDxH): 302 x 57 x 315 mm