AJAX 42850.90.WH Contactless Key Fob, 100-Piece, White
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
- Fast, password-free access: present the fob to KeyPad Plus to arm/disarm systems instantly for smoother site operations.
- Enterprise-grade protection: DESFire contactless technology with ISO 14443-based 128-bit encryption and copy protection keeps access secure.
- Large, install-ready pack: 100 white key fobs provide a cost-effective solution for multi-door or multi-site rollouts.
- Multi-panel flexibility: each Tag can be paired with up to 13 control panels, simplifying hybrid access across offices or facilities.
- Centralized control and auditability: real-time revoke/restrict rights and event logging let administrators manage access and monitoring with confidence.
- Long service life: up to 10 years of dependable performance reduces replacements and lowers total cost of ownership.
Quick Specifications
- Product Model
- 42850.90.WH
- Brand Name
- AJAX
- Product Name
- Keyfob Transmitter
- Product Type
- Keyfob Transmitter
Explore the details
Product information
42850.90.WH
Overview
Secure, effortless access control for busy sites — the AJAX 42850.90.WH Contactless Key Fob (100-piece pack) delivers fast, reliable identification for commercial and residential security systems. Designed by AJAX for use with KeyPad Plus, this contactless key fob uses DESFire® technology (ISO 14443) with robust 128-bit encryption and copy protection, providing enterprise-grade security for access control, surveillance points and site monitoring. A single Tag can be connected to up to 13 control panels, making it ideal for offices, multi-tenant buildings, retail chains and hybrid installations where one credential must work across multiple panels. Ship-ready in a white finish, the 100-count pack simplifies large deployments and helps standardize credentials across teams. Administrators benefit from real-time access revocation, permission management in the Ajax app, and full event logging for audit trails and incident response. With a service life of up to ten years, these key fobs reduce replacement cycles and ongoing maintenance. Streamline your access control and strengthen on-site security — order the AJAX Contactless Key Fob 100-pack today to upgrade your monitoring and access workflows.
Features
- Fast, password-free access: present the fob to KeyPad Plus to arm/disarm systems instantly for smoother site operations.
- Enterprise-grade protection: DESFire contactless technology with ISO 14443-based 128-bit encryption and copy protection keeps access secure.
- Large, install-ready pack: 100 white key fobs provide a cost-effective solution for multi-door or multi-site rollouts.
- Multi-panel flexibility: each Tag can be paired with up to 13 control panels, simplifying hybrid access across offices or facilities.
- Centralized control and auditability: real-time revoke/restrict rights and event logging let administrators manage access and monitoring with confidence.
- Long service life: up to 10 years of dependable performance reduces replacements and lowers total cost of ownership.
| General Information | |
|---|---|
| Brand Name | AJAX |
| Manufacturer | AJAX SYSTEMS CH |
| Product Name | Keyfob Transmitter |
| Product Type | Keyfob Transmitter |
| Packaged Quantity | 100 |
| Manufacturer Part Number | 42850.90.WH |
| Technical Information | |
| Application/Usage | Alarm System, Control Panel, Home, Office, Security System |
| Physical Characteristics | |
| Color | White |
| Product Information | |
| Installation Type | Hybrid |
| Miscellaneous | |
| Features | Ajax Tag only works with KeyPad Plus keyboards, DESFire technology for contactless communication, One Tag can be connected to up to 13 security system control panels |
| Country of Origin | UA |
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Is this right for your project?
Confirm the model, required accessories and delivery needs before ordering.
- SKU:
- 4285090WH
- Manufacturer part:
- 42850.90.WH
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 42850.90.WH Contactless Key Fob, 100-Piece, White
42850.90.WH