Tecom TS0884 9MB Memory Expander.
Challenger memory expanders are used to expand the number of PINs or cardholders (users) in the system as well as the card format.
TS0884 memory expansion devices are fitted on Challenger control panels and door or lift controllers.
TS0884 is an Intelligent User Module (IUM) that enables a Challenger system to handle multiple card formats and protocols simultaneously. Unknown card formats can be added to the system as raw card data and assigned to users with ease.
