The 1520 provides users with a full feature, single door, stand-alone Access Control System. The 1520 is available with a built-in Proximity Card Reader, or can be ordered as a single door Controller, allowing the user to add their own 26-bit Access Control Device.
The 1524 can be programmed with a handheld programmer or with programming cards, and is available only with a DK Prox Card Reader.