Features 1、Free Full SDK (demo program with source code , VB,VC,DELPHI) 2、Support for ISO14443A (1K（S50），S70) 3、Operation frequency : 13.56Mhz 4、Built‑in transceiver antenna 5、Reading distance 0 to 10cm ； OS : for win XP/ win2k/ win7/ win8(32‑bit and 64 ‑ bit)/ linux Specification Features: Free Full SDK (demo program with source code, VB,VC,DELPHI) Support for ISO14443A (1K（S50）,S70) Operation frequency:13.56Mhz Built‑in transceiver antenna Reading distance 0 to 10cm , OS : for win XP/ win2k/ win7/ win8(32‑bit and 64 ‑ bit)/ linux Specifications: Operation Frequency : 13.56Mhz Built‑In Transceiver Antenna Reading Distance 0 to 10cm Less than 35ms decoding time USB 2.0 / USB 1.1 interfacee Voltage:DC 5 V Working Current:＜60mA Built‑in bi‑color LED(red/blue) and buzzer Size : (95 x70x 18)mm OS :For win XP/ win2k/ win7/ win8(32‑bit and 64 ‑ bit)/ linux Please download software from the following links ER301_SDK_EN.rar https://app.box.com/s/iibrizlt7ujvve85xu7x Package included: 1 x 13.56Mhz for ISO14443A Reader & Writer USB Interface for RFID 1 x S50 CARD 1 x S50 BLUE KEY TAG 1 x S50 STICK TAG Package List