interface:power on to USB Distance:5- 10cm reading range Frequency:125KHz / 13.56MHZ/UHF Protocol:ISO14443A reader chip:EM4100/ 4200/ 1K s50/s70 packing:one piece / carton size::114*73*24MM gross weight:170g Hex:Decimal / hexadecimal reader ID:Eight /Ten Show More