The CyberData InformaCast Enabled Ceiling Speaker is an economical Power-over-Ethernet (PoE 802.3af) and Voice-over-IP (VoIP) public address product that plays InformaCast and multicast messages. It easily connects to your PoE network with a single Ethernet cable connection. The device's small footprint allows the speaker to be discreetly mounted in your ceilings. Features -Capable of receiving Singlewire InformaCast and multicast messages -Supports Singlewire InformaCast High Quality Audio -Supports audio prioritization for 10 multicast paging groups -Can receive pages directly from Poly phones as well as other devices that can send standard multicast -Supports delayed pages with buffered multicast -Network-adjustable speaker volume -High efficiency speaker driver -Small footprint -TLS security for autoprovisioning and web-based configuration -User upgradeable firmware via web interface or autoprovisioning -802.11q VLAN tagging -Configurable event generation for device health and status monitoring