HID® iCLASS® RW400 Reader/Writer 6121

HID® iCLASS® RW400 Reader/Writer 6121

HID® iCLASS® RW400 Reader/Writer 6121  Wall Switch Smart Card Reader



iCLASS® smart reader/writers and cards make access control and read/write applications more powerful, more versatile, and most importantly, offer enhanced security through encryption and mutual authentication.

At the same time, iCLASS is user-friendly, delivering the convenience, affordability and reliability of proximity technology, for which HID is known worldwide.

Using the 13.56 MHz technology platform, the iCLASS RW400 contactless smart card reader/writer combines the longer read range of proximity with the power and heightened security of smart card technology.

Supporting read/write applications, the RW400 reads/writes user data to HID iCLASS credentials that offer either 2k bit (256 Byte), 16k bit (2k Byte) or 32k bit (4k Byte) of data storage. Read/write applications include IT secure authentication, biometric template storage, digital cash, time and attendance, equipment/material use or checkout and transit passes.



Typical Maximum Read Range*
iCLASS® Card: Up to 4” (10.2cm)
iCLASS Key/Tag: Up to 1.25” (3.2cm)
MIFARE / DESFire Card (CSN): Up to 2” (5.1cm)

3.3” x 4.8” x 1.1” (8.5cm x 12.2cm x 2.8cm)

Card Compatibility
The iCLASS RW400 reader is compatible with all iCLASS credentials. The reader’s versatility allows it to read credentials meeting several ISO standards:

  • 15693 – read/write; 2k bit (256 Byte), 16k bit (2k Byte) and 32k bit (4k Byte) iCLASS credentials
  • 14443A – read only; MIFARE (serial number)
  • 14443B – read/write; 16k bit (2k Byte) iCLASS credentials


Datasheet RW400 Reader/Writer 6121 Download


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