Technical Specifications Dimensions: 98ມມ (ລ)×65mm (ວ)×12.8mm (ຮ) ນ້ຳໜັກ: 70grams Interface: USB Full Speed Operating Distance: ≤50mm Supply Voltage: Regulated 5V DC Supply Current: 200mA(operating); 50mA(standby); 100mA(normal) ອຸນຫະພູມປະຕິບັດການ: 0°C~+50°C Operating Frequency: 13.56MHz Standards/Certifications: ISO14443 1-4, CE, FCC, RoHS Compliant Operating System Support: Windows 2000, 2003, XP32, XP64, Vista 32 and Vista 64 ແຈ້ງການ: ຕ້ອງໃຊ້ JavaScript ສໍາລັບເນື້ອຫານີ້.