HID 48bit Corporate 1000 - (H2004064) - Bit Format Details - AccessGrid

HID 48bit Corporate 1000 - (H2004064)

Everything you need to understand HID 48bit Corporate 1000 - (H2004064)

Card format Overview

A proprietary 48-bit card format used in access control systems, featuring a unique structure composed of 23-bit card number and 22-bit company id code, and 3 parity bits (even and odd), allowing for easy management and avoiding card number duplication for secure, contactless access.

HID 48bit Corporate 1000 - (H2004064) format properties

Card Number
23 bits. A unique serial number (0-8,388,607) for each card within that facility code.

Company ID Code
22 bits (Bits 3-24), range 0-4,194,303.

Even parity
Even Parity for Even parity over bits 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32, 34.

Odd parity
Odd Parity for Odd parity over bits 2, 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23, 25, 27, 29, 31, 33.

Odd parity
Odd Parity for Odd parity over bits 1-46.

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Card Number
Company ID Code
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Format Value
Hex 8000640000C8
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Decimal 140739166077128
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Binary 100000000000000001100100000000000000000011001000
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The API that turns phones into key fobs.