POE standard Input Voltage: 44-57V, Rated Voltage:48V Temperature: -25~55℃ Receiver category: 3 GSM900 880MHz~960MHz Output Power:33±2dBm GSM1800 1710MHz-1880MHz; Output Power: 30±2dBm WCDMA B1:1920MHz-2170MHz; Max Power:23±2.7dBm WCDMA B8:880MHz-960MHz; Max Power:23±2.7dBm BT:2402~2480MHz,Max EIRP:3.52dBm; RFID:13.56MHz; CAUTION RISK OF EXPLOSION IF BATTERY IS REPLACED BY AN INCORRECT TYPE. DISPOSE OF USED BATTERIES ACCORDING TO THE INSTRUCTIONS.