HID Standard 34bit - (H10306)

Everything you need to understand HID Standard 34bit - (H10306)

Card format Overview

A proprietary 34-bit card format used in access control systems, featuring a unique structure composed of 16-bit site code and 16-bit card number, and 2 parity bits (even and odd), allowing for easy management and avoiding card number duplication for secure, contactless access.

HID Standard 34bit - (H10306) format properties

Site Code

16 bits. The facility code range is 0 to 65,535.

Card Number

16 bits. A unique serial number (0-65,535) 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.

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Format Value
Hex
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Decimal
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Binary
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