What user memory does the HandKey II have?

The standard user memory on the HandKey II is 512 and is expandable to 259,072 users.

F-Series - Readers built after 2003 or readers that have been upgraded to main boards with a push button reset switch.
EM-801-F3 = HandKey Memory Expansion to 9,728 users
EM-803-F3 = HandKey Memory Expansion to 32,512 users
EM-813-F3 = HandKey Memory Expansion to 64,768 users (non field upgradeable, supersedes model # EM-60X)
EM-823-F3 = HandKey Memory Expansion to 129,536 users (non field upgradeable, supersedes model # EM-120X)
EM-833-F3 = HandKey Memory Expansion to 194,304 users (non field upgradeable, supersedes model # EM-180X)
EM-843-F3 = HandKey Memory Expansion to 259,072 users (non field upgradeable, supersedes model # EM-240X)

F-Series Original Generation - Readers built before 2004, can be identified by a 5 position DIP switch.
EM-801 = HandKey Memory Expansion (EPROM Chip) to 9,728 users - DISCONTINUED
EM-803 = HandKey Memory Expansion (EPROM Chip) to 32,512 users - DISCONTINUED

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