Main technical parameters Frequency range: 902~928MHz, 865~868MHz (can be adjusted according to different countries or regions) Air interface protocol: support ISO18000-6B, ISO18000-6C, EPC Class1 Gen2 Working mode: active mode, command mode, trigger mode RF output: 0-33 dBm adjustable Power supply: DC12V, 3A (supporting 220V AC power adapter) Power consumption: average power <20W Communication interface: RS232, RS485, TCP / IP, Wiegand 26/34 Channel …