Technical Specifications Dimensions: 98mm (L)× 65mm (K)× 12.8mm (H) Gibug-aton: 70grams Interface: USB Full Speed Operating Distance: ≤50mm Supply Voltage: Regulated 5V DC Supply Current: 200MA(operating); 50MA(standby); 100MA(normal) operating temperatura: 0°C~+50°C Operating Frequency: 13.56MHz Standards/Certifications: ISO14443 1-4, EC, FCC, RoHS Compliant Operating System Support: Windows 2000, 2003, XP32, XP64, Vista 32 ug Vista 64