AWID RS2 34bit - Bit Format Details - AccessGrid

AWID RS2 34bit

Everything you need to understand AWID RS2 34bit

Card format Overview

A proprietary 37-bit card format used in access control systems, featuring a unique structure composed of 8-bit site code and 24-bit card number, and 2 parity bits (even and odd), allowing for easy management and avoiding card number duplication for secure, contactless access.

AWID RS2 34bit format properties

Site Code
8 bits. The facility code range is 0 to 255.

Card Number
24 bits. A unique serial number (0-16,777,215) for each card within that facility code.

Even parity
Even Parity for Even parity over bits 1-16.

Odd parity
Odd Parity for Odd parity over bits 17-33.

Generate examples

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

Site Code
Card Number
Get examples

Here's your example

Format Value
Hex 1640000640
Copy
Decimal 95563023936
Copy
Binary 1011001000000000000000000011001000000
Copy

The API that turns phones into key fobs.