The TS1084 Memory Expansion Module expands the user capacity of the Challenger10/ChallengerPlus panels to 65,535 users, from the standard 2,000 users, all of whom can have personal identification numbers (PINs).
Features
Increase user capacity of panel
Self healing
Contains two copies of its database
MicroSD card is used to automatically repair the memory module in case of corruption
Firmware is remotely upgradable
Increased operating speed compared with legacy IUM modules