The W20A is a line of RFID readers and writers with a stable and fast card reading speed of 0.2S. Equipped with a USB port and compliant with the ISO/IEC 14443 Type A standard, this device allows users to easily control cards using simple commands. It also offers multi-platform routines for secondary development in various languages such as Linux Java, Linux QT, Delphi, VC6.0, C#, and VB. This product supports multiple card types, including Mifare one S50, S70, RC632, ntag203, ntag213, and ntag216, and comes with a stable SDK software for easy use.
Features
Support card: support Mifare standard, S50 and S70, etc.
- Operating system: Windows 98, Windows XP (32\64) Windows
 - Supported protocol: ISO14443A ISO1443B ISO15693
 - Secondary development languages: Linux Java, Linux QT, Delphi, VC6.0, C#, VB
 - Reading distance: 80MM
 - Card reading time: <100MS
 - Card reading speed: 0.2S
 - Reading interval: 0.5S
 - Size: 104MM×68MM×10MM
 - Weight: 100g
 - Working environment: temperature (-20℃~85℃) humidity (5%~95%)
 - Working voltage: DC3.3V-DC4.5
 - Working current: 100mA
 - Status indicator: 2-color LED (1 color "red"-power LED, 1 color "green"
 - status indicator)
 - Built-in horn: buzzer, can control LED and buzzer