The GS-POE15W-MG, GS-POE30W-MG, and GS-POE60W-MG are ready-to-use PoE injectors that provide power to Grandstream PoE-enabled devices such as GWN Series Wi-Fi access points, IP phones, and more. They comply with IEEE 802.3af/at/bt standards. GS-POE15W-MG Standards - IEEE 802.3af Interface Ports - 1xAC power Jack, 1x2.5Gbps RJ45 LAN IN, and 1x2.5Gbps RJ45 LAN OUT with PoE Input Voltage - 100~240VAC, 50/60Hz Output Voltage - 54VDC, 1.2+; 3.6 - PoE Output Power - 20W LED - Power On: Blue, PoE Load: Purple The GS-POE15W-MG, GS-POE30W-MG, and GS-POE60W-MG are ready-to-use PoE injectors that provide power to Grandstream PoE-enabled devices such as the GWN Series Wi-Fi Access Points, IP phones, and more. They comply with IEEE 802.3af/at/bt standards. GS-POE15W-MG Standards - IEEE 802.3 af Interface Ports: 1 x AC Power Jack, 1 x RJ45 LAN 2.5Gbps Input, and 1 x RJ45 LAN 2.5Gbps Output with PoE support. Input Voltage - 100~240VAC, 50/60Hz Output Voltage - 54VDC, 1.2+; 3.6- PoE Output Power - 20W LED Indicator: On: Blue, PoE Load: Purple