... 3.read range: 0-20m 4.RS232, RS485, Wiegand ,RJ45 High performance Fixed RFID Reader High performance ... ,library,Time attendance,Dinner management,Pool management High performance Fixed RFID Reader Specification Working frequencyISM 902MHz ~ ... 3.8APower consumptionLess than 5 Watt, reading cards when less than 10 wattsDimension450mm*450mm*65mmWeight5.0KgWorking temperature-30c~+70c High performance ...