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CDVI Americas Atrium High Security 2-Door Controller W/ 2 K1 Readers & DESFire EV2 Credentials
The A22K1 is the perfect kit for high-security projects. Our A22K controller, 2 mullion KRYPTO readers and 25 DESFire EV2 credentials ensure end-to-end encryption for system wide security.
KRYPTO is the easiest solution to manage DESFire® EV2/EV3 smart credentials on the market making worries of card cloning a thing of the past. The auto restore of encryption keys upon power failure ensures an effortless system start up and management.
Additionally, the A22K can easily be converted to an Elevator Controller (A22KEC), Schlage Door Handle Controller (ADH2K), or Aperio Door Handle Controller (A2PK) as needed. ATRIUM’s efficiency will simplify your life.
A22K1 : What Sets it Apart?
- (1) A22K controller
- (2) K1 high security readers
- (25) TAG-EV2 credentials
- ATRIUM software included
Technical specifications
-
Technology MIFARE® DESFire EV2/EV3
-
Security Level high
-
Bluetooth (Y/N) no
-
User Limit 10,000 users with ATRIUM
-
Number of Relays 2
Electrical specifications
-
Min. Voltage (V) 120
Resources:
Manufacturer Resources
Product Specs
- Subcategory:
- Readers & Credentials
- Commercial/Residential:
- Commercial
- Electronic:
- Yes
- Product Type:
- Access Controllers
- Product Group:
- Electronic Access Controls
- Product Subgroup:
- Readers, Keypads and Credentials
- Product Function:
- Controller With Reader
- Product Category:
- Electronic Access Control
CDVI A22K1 – Frequently Asked Questions
1) What is the CDVI Atrium 2-door controller designed for?
This high-security access control system manages two doors with advanced DESFire EV2 encryption. Built for commercial and institutional applications requiring robust multi-door coordination and secure credential management.
2) What credentials work with the included K1 readers?
The K1 readers support DESFire EV2 cards and key fobs with 13.56MHz RFID technology. Compatible with most ISO14443 Type A credentials. Verify your existing card format before installation.
3) How many users can this system handle?
The Atrium controller typically stores thousands of user credentials locally. Exact capacity depends on configuration and additional data per user. Check current programming for precise limits.
4) What power requirements does this controller have?
Requires 12-24VDC power supply with adequate current for controller operation plus connected door hardware. Calculate total load including electric strikes or magnetic locks. Use UPS backup for critical applications.
5) Does this system integrate with building management software?
Yes, the Atrium series supports network connectivity for integration with CDVI management software and third-party systems. Provides real-time monitoring, event logging, and remote configuration capabilities.
6) What door hardware connections are available?
Features relay outputs for electric strikes, magnetic locks, and door position monitoring inputs. Includes connections for request-to-exit devices and door contact switches on both doors.
7) How do you mount the K1 readers?
K1 readers mount to standard electrical boxes or surface-mount brackets. Maintain proper read range distance from door frame. Use weatherproof mounting for exterior installations.
8) What cable runs are needed between components?
Run low-voltage cable from controller to each reader location. Use shielded cable for longer distances or high-interference environments. Plan network connection to controller location for system integration.
9) Can you add more readers to this system?
This controller is designed for two doors with the included readers. Additional readers may require expansion modules or additional controllers depending on system architecture. Check CDVI specifications for expansion options.
10) How do you program user access levels?
Use CDVI programming software to set individual user permissions, time zones, and door access rights. Program directly via network connection or locally during initial setup.
11) What security grade does this system meet?
DESFire EV2 provides high-level encryption suitable for secure commercial applications. Meets various industry security standards. Verify specific compliance requirements for your application.
How fast can I get the CDVI A22K1 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the
continental
U.S.
Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit,
reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the CDVI A22K1 come with a warranty?
Absolutely. The CDVI A22K1 is backed by a manufacturer’s warranty.
For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the CDVI A22K1?
You can call, text, or email our expert support team for fast answers. We’re here to help with
product
selection,
installation tips, and troubleshooting. Contact Us
Why buy the CDVI A22K1 from ZenSupply?
ZenSupply makes it easy to get the commercial door hardware you need—fast shipping, expert support,
and
rewards on
every order.
Our team is always ready to help you choose the right product for your project.