RDR330 USB Proximity-Mifare-HID Reader


RapidACCESS RDR300 are desktop rfid readers which can be used for system logon/logoff, operator identification and many other desktop rfid applications.

RDR300 readers are available in several versions depending which card technology, casing and output you require:

Card Technology:
125Khz RFID (RDR300E)
13.56MHz MIFARE (RDR300M)

Case Type: Cradle slot or flat casing

Output: Decimal or Hexadecimal

Cradle slot is designed to accept RFID card as below:
System Unlocked – System can be used when the registered card is sitting in the cradle slot
System Locked – System cannot be used when the registered card is removed from the cradle slot.


  • Power requirements: 5 V / 200 mA
  • Interface: USB (Virtual COM) or RS232
  • Supported Card Types:
    125kHz RFID (RDR300E)
    13.56MHz MIFARE (RDR300M)
  • Dimension (mm): W 65 X L 100 X D23 mm
  • Card dimension: 86 x 55 x 2 mm maximum


Available Versions

Technology 125kHz 13.56MHz
Interface USB (Virtual COM) or RS232
Output Decimal or Hexadecimal (option)


RDR-300/330 Part Numbers

RDR-300-AU – USB interface, 125kHz
RDR-300-AR – RS-232 interface, 125kHz
RDR-300-MU – USB interface, 13.56Mhz (MIFARE version)
RDR-300-MR – RS-232 interface, 13.56Mhz (MIFARE version)
RDR-330-E – USB Keyboard Emulation, 125kHz
RDR-330-M – USB Keyboard Emulation, 13.56Mhz (MIFARE version)
RDR-330-U – USB Keyboard Emulation, 125kHz (HID & Wiegand)


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