Choice of Readers Full range of card readers supported. ZK KR-Series readers are stylish and waterproof. C3 supports any wiegand-output reader, including HID Prox, iClass, and XceedID Multi-Technology.

Lowest Total Cost of Ownership C3 controller firmware can be upgraded in the field. New controller features can be loaded without any advanced tools, extending and expanding the value of your investment.

Door Control and More Along with relay contacts for controlling door locks, easily programmable auxilary relays can be used for additional control and interface to lights, alarms, annunciators, intrusion detection panels, or even extra locking devices or gate controllers.

Advanced Access Control Built-In Anti-Passback, First-Card Opening, Multi-Card Opening, Duress Password Entry, and Auxilary Input/Output Linkages are built into controller firmware.

Communication C3 controllers installed easily on your network and support both TCP/IP and RS-485 communication. Auto-discovery function make the setting and modification of network parameters direct and easy.

Capacity 10,000 events and transactions. Controller is backed up in real-time in on-board optional SD card. Data is preserved when power failure. Controller continues to operate if network connection is interrupted.

Options C3 controllers come in three sizes to suit project needs and reduce the cost of unused capacity. 1-door, 2-door, and 4-door models can be mixed and matched in an optimized system architecture.