Weno Networks UNIVERSAL 48V WALL PLUG POE INJECTOR FOR MOST CISCO/POLYCOM/AASTRA/MITEL/SHORETEL PHONES Power standard PoE Cisco, Aastra, Polycom, Mitel, other IP phones; Wireless Access Points and Client Devices; Security Camera Systems Remotely Power Equipment thru CAT5 Cable up to 100m; Compact size  Convenient Wall Plug Design OUTPUT: 48V .5A IEEE 802.3af Standard Power over Ethernet. Please do not order if your unit requires more than 500 MilliAmps or .5 AMP Please do not order if your phone or device does not run on 48v standard PoE power *this item may not be compatible with some older Cisco Models that use Pre-Standard power and not the IEEE 802.3af Standard