Polycom HD Voice technology, for high-fidelity calls at up to 14 kHz, Patented Polycom clarity technology
Microphone designed for small to midsize conference rooms, picks up voices up to 12 feet (3.5-meters)
Advanced call handling, security, and provisioning features, High-resolution LED backlight display
Resistance to interference from mobile phones and other wireless devices, Multi-language support
Supports optional expansion microphones, POE 802.3af (Power Over Ethernet) Power supply not included