Capacity is a hard limit per model. Compare doors and cardholders to the site now and after growth.
Some systems add modules. Confirm those modules on the product page before you promise a higher count.
System ConceptsReviewed 2026-08-28
Controller capacity
How many doors, users, or events a panel can hold.
Also called
door capacityuser capacitypanel capacityController capacitycontroller capacity
Catalog fields
Capacity (number)Capacity (unit)
Source: Transmitter Solutions product training