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Bit Stream Definitions

Updated at March 11th, 2025

Note: Formats assume a starting bit of one. Some access systems use a starting bit of zero.

26 Bit Formats

30 Bit Formats

32 Bit Formats (MyPass Mobile Credential)

35 Bit Formats

36 Bit Formats

37 Bit Formats

38 Bit Formats

40 Bit Formats

46 Bit Formats

56 Bit Formats

64 Bit Formats

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