AJAX 42831.89.BL Contactless Card, 100-Piece, Black
Special Order: typically 2–6 weeks
Ships directly from the manufacturer. This is an estimated lead time, not a guaranteed delivery date.
Availability can change and lead times may be longer. If your project has a deadline, check with us before ordering.
A member of our team will check with the manufacturer and personally reply by email.
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Key Features
- Tap-to-disarm convenience: contactless DESFire® cards let staff and tenants change security modes instantly with a simple presentation to the keypad.
- Enterprise-grade protection: ISO 14443 DESFire technology with 128-bit (16-byte) encryption and copy protection prevents cloning and unauthorized access.
- Scalable access management: one card can be assigned across up to 13 Ajax hubs and permissions are configurable in the app.
- Real-time control and auditing: administrators can revoke or limit access immediately and review event logs for monitoring and compliance.
- Installer-friendly bulk pack: 100 black, printable cards per pack speed deployment for multi-site projects and branded ID printing.
- Compatibility and reliability: 13.56 MHz operating frequency ensures consistent proximity performance with modern access control systems.
Quick Specifications
- Product Model
- 42831.89.BL
- Brand Name
- AJAX
- Product Name
- Smart Card
- Product Type
- Smart Card
Explore the details
Product information
42831.89.BL
Overview
Streamline secure access for tenants, staff and contractors with AJAX contactless proximity cards — a reliable, installer-friendly solution for modern access control and security monitoring. The AJAX 42831.89.BL smart cards use DESFire® (ISO 14443) technology and 128-bit (16-byte) encryption to deliver robust copy protection and anti-cloning protection, minimizing vulnerability across buildings and critical infrastructure. Operating at 13.56 MHz, these printable black cards provide consistent read range and fast authentication for KeyPad Plus and other Ajax readers. Delivered in a 100-piece pack, they accelerate deployments for property managers, systems integrators and security integrators, while the Ajax app enables naming, granular access permissions and real-time revocation for centralized surveillance and event logging. Integrate these proximity cards into access control, CCTV-linked workflows, and facility monitoring setups to maintain audit trails and immediate response capabilities. For high-volume installations that require branded IDs, the printable surface supports card personalization. Order the AJAX 42831.89.BL 100-pack to simplify secure entry, reduce false alarms, and improve operational control across your sites.
Features
- Tap-to-disarm convenience: contactless DESFire® cards let staff and tenants change security modes instantly with a simple presentation to the keypad.
- Enterprise-grade protection: ISO 14443 DESFire technology with 128-bit (16-byte) encryption and copy protection prevents cloning and unauthorized access.
- Scalable access management: one card can be assigned across up to 13 Ajax hubs and permissions are configurable in the app.
- Real-time control and auditing: administrators can revoke or limit access immediately and review event logs for monitoring and compliance.
- Installer-friendly bulk pack: 100 black, printable cards per pack speed deployment for multi-site projects and branded ID printing.
- Compatibility and reliability: 13.56 MHz operating frequency ensures consistent proximity performance with modern access control systems.
| General Information | |
|---|---|
| Brand Name | AJAX |
| Manufacturer | AJAX SYSTEMS CH |
| Product Name | Smart Card |
| Product Type | Smart Card |
| Packaged Quantity | 100 |
| Manufacturer Part Number | 42831.89.BL |
| Technical Information | |
| Identification Method | Smart Card |
| Media Types & Handling | |
| Media Type | Printable |
| Network & Communication | |
| Encryption Key Size | 16 Byte |
| Physical Characteristics | |
| Color | Black |
| Width | 2.1" |
| Height | 3.4" |
| Thickness | 0.03" |
| Product Information | |
| Operating Frequency | 13.56 MHz |
| Miscellaneous | |
| Country of Origin | UA |
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Plan your purchase
Is this right for your project?
Confirm the model, required accessories and delivery needs before ordering.
- SKU:
- 4283189BL
- Manufacturer part:
- 42831.89.BL
How do I confirm compatibility?
Check the specifications and manufacturer documents for your existing system. Send us your model numbers and project requirements if you need help selecting equipment or accessories.
Ask a product specialistWhen will this item ship?
Availability is shown above. Special-order items and project quantities may need additional lead time. Contact us to confirm a delivery date before scheduling installation.
Shipping, freight and delivery detailsWhat should I know about returns?
Returns require an approved RMA. Consult the linked return policy for deadlines and eligibility. For standard non-defective returns, eligible factory-sealed items carry a 15% restocking fee and customer-paid return shipping; open-box and used items are refused. Defective and DOA claims follow the policy's separate terms. Special orders and other exclusions are final sale.
Read return eligibility and exclusionsAJAX 42831.89.BL Contactless Card, 100-Piece, Black
42831.89.BL