125KHz USB Proximity Sensor Smart RFID ID Card Reader R20D


R20D is a high performance 125Khz RFID smart card Desktop reader without driver, reader distance up to 80mm, it’s not only simple aspect, but also stable and reliable data. Widely used for RFID Radio Frequency Identification system and project, Such as Automated parking management system, Personal identification, Access controller, Production Access control, etc


  • Communication speed:106Kbit /s
  • Serial port baud rate :9600Kbit /s
  • Power supply:DC 5V (+/- 5%)
  • Current consumption:<100Ma
  • Effective operating distance: 0 ~ 30mm (depend on card model)
  • Interface: USB
  • Status indication: 2 LED (one power LED status indicator), a BUZ
  • Product size: 114mm × 68mm × 12mm


  1. Connect with computer through USB interface directly. When the buzzer sounded, reader into the self-inspection. And at the same time, LED turn into red means standby.
  2. Open the output of computer software,such as Notepada word document or Excel sheets.
  3. Put tag on the top of reader, the software will output a data(card number) of the tag. When reading the tag, LED light changes from red to green.
  4. Detecting device is connected
  5. Open the Device Manager of computer, If appears Humans Input Device that means Reader has successfully into computer.
SKU: ACCESS.USB.125K Categories: ,

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