RS2-HID F/C 3 33bit - (R901592C)

Everything you need to understand RS2-HID F/C 3 33bit - (R901592C)

Card format Overview

A proprietary 33-bit card format used in access control systems, featuring a unique structure composed of 2-bit site code and 27-bit card number, and 2 parity bits (even and odd), allowing for easy management and avoiding card number duplication for secure, contactless access.

RS2-HID F/C 3 33bit - (R901592C) format properties

Site Code

2 bits. The facility code range is 0 to 3.

Card Number

27 bits. A unique serial number (0-134,217,727) for each card within that facility code.

Even parity

Even Parity for Even parity over bits 1-29.

Odd parity

Odd Parity for Odd parity over bits 1-29.

Generate examples

Put in the values for this card format, we'll generate the results in a few different formats.

The API that turns phones into key fobs.