Polycom Soundstation IP 6000 2200-15600-001 For Poe - No Power Supply Included 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