Wiegand 32bit

Everything you need to understand Wiegand 32bit

Card format Overview

A proprietary 32-bit card format used in access control systems, featuring a unique structure composed of 12-bit site code and 16-bit card number, allowing for easy management and avoiding card number duplication for secure, contactless access.

Wiegand 32bit format properties

Site Code

12 bits. The facility code range is 0 to 4,095.

Card Number

16 bits. A unique serial number (0-65,535) for each card within that facility code.

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