Card-tech Mini Rfid Ic Card Reader USB 13.56mhz Em Proximity Support Windows Xp Win7/8 Linux Android Operate System for Id Identification/ Attendance System/ticketing +5 Pcs M1 Card(white) Output format:10 digit Dec. 125Khz frequency band.Reading range can up to 10cm. Card Type : IC card (EM card ) M1 or its compatible RFID card. Support System:Windows 2000//NT /ME/XP/7/8, Linux, Vista,Android. During use, you can freely pluggable (plug and play), no external power supply. Beautifully compact form factor not only in the use of simple and convenient, and has a powerful data processing capability, stable and accurate and reliable read.Unfortunately only read/output 8H/10D.