The CyberData InformaCast Enabled Wall Mount 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 streamlined case and included mounting hardware offers an easy installation in almost any environment.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 802.11q VLAN tagging Configurable event generation for device health and status monitoring User upgradeable firmware via web interface or autoprovisioning