Features: USB 2.0 Full Speed ​​InterfaceCCID ComplianceCCID-compliantPC/SC-compliantRead/write speed up to 424 kbps. Built-in antenna for contactless tag access, with card reading distance of up to 50 mm (depending on tag type)Supports ISO 14443 Type A and B, FeliCa, and all 4 types of NFC (ISO/IEC 18092) tags. Supports for Mifare-Ultralight C (via pseudo APDUs) and for Mifare- Plus SL1 (4 Byte UID, via pseudo APDUS) and SL3. Supports all 3 modes of NFC: reader, card emulation and peer-to-peer modes. Built-in anti-collision feature (at least 1 card is detected when multiple cards are presented)USB Plug and for play. Specifications: Material:ABS Dimensions: 98 mm (L) x 65 mm (for W) x 12.8 mm (H) Interface: USB Full Speed Operating Distance: <= 50mm (depends on tag type) Supply Voltage: Regulated 5V for DC Supply Current: 200mA (operating); 50mA (standby); 100mA (normal) Operating Temperature: 0-50°C Operating Frequency: 13.56MHz for Smart Card Interface Support: for ISO14443 Type A & B, for Mifare-, for FeliCa, 4 types of NFC (ISO/IEC18092) tags Operating System Support: Win 98, Win ME, Win 2000, Win XP, Win Vista, Win 7, Win Server 2003, Win Server 2008, Win XP x64, Win Vista x64, Win 7 x64, Win Server 2003 x64, Win Server 2008 x64, Win server 2008 R2 x64, for Windows CE 5.0, Linux, (Please find the proper software to support it) Application: 1. Network access control 2. Bank&paymen 3. NFC mobile ta 4. Public transportation terminal 5. Automatic fare collection 6. Physical access control 7. Customer loyalt 8. for Time and attendanc 9. Contactless public phone 10. Vending machine Package Includes: 1x Card Writer note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks for your understandings.