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Warehouse: United States

AJAX 42849.90.BL Contactless Key Fob, 10-Piece, Black

SKU: 4284990BL MPN: 42849.90.BL AJAX
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Product images for AJAX 42849.90.BL Contactless Key Fob, 10-Piece, Black. 4 image(s) available. Click on image to view full size.

Key Features

  • Fast, password-free access: present the fob to KeyPad Plus to arm/disarm systems and speed daily operations.
  • Enterprise-grade security: DESFire contactless technology with 128-bit encryption and copy protection safeguards access rights.
  • Centralized control: assign names and permissions in the Ajax app and revoke or modify access in real time.
  • Multi-site flexibility: each Tag can pair with up to 13 control panels for unified access across offices or facilities.
  • Bulk convenience: 10-piece black pack with up to 10 years service life, ideal for deployments and replacement cycles.

Quick Specifications

Product Model
42849.90.BL
Brand Name
AJAX
Product Name
Key Fob
Product Type
Key Fob
View Full Technical Specifications

Product Information Tabs

Overview

Streamline secure access control for employees and trusted visitors with the AJAX 42849.90.BL Contactless Key Fob 10-piece pack. These compact, black key fobs let users arm and disarm the Ajax security system quickly without passwords or app access, reducing friction at entry points and improving operational efficiency. Built on DESFire contactless technology (ISO 14443) with 128-bit encryption and copy protection, Tags provide industry-grade security suitable for commercial, retail, and monitoring environments. Each Tag can be linked to up to 13 control panels and is managed through the Ajax app, where administrators can assign names, set permissions, and track every access event in the audit log. With a service life of up to 10 years and real-time access revocation, Tags support scalable access control and simplify surveillance and security management across multiple sites. Note: Ajax Tag is compatible with KeyPad Plus keyboards. Ideal for offices, stores, and security monitoring centers that need reliable, audit-ready contactless access — add this 10-pack to your access control deployment today.

Features

  • Fast, password-free access: present the fob to KeyPad Plus to arm/disarm systems and speed daily operations.
  • Enterprise-grade security: DESFire contactless technology with 128-bit encryption and copy protection safeguards access rights.
  • Centralized control: assign names and permissions in the Ajax app and revoke or modify access in real time.
  • Multi-site flexibility: each Tag can pair with up to 13 control panels for unified access across offices or facilities.
  • Bulk convenience: 10-piece black pack with up to 10 years service life, ideal for deployments and replacement cycles.
General Information
Brand Name AJAX
Manufacturer AJAX SYSTEMS CH
Product Name Key Fob
Product Type Key Fob
Packaged Quantity 10
Manufacturer Part Number 42849.90.BL
Physical Characteristics
Color Black
Product Information
Installation Type Hybrid
Miscellaneous
Features Ajax Tag only works with KeyPad Plus keyboards, Contactless, DESFire technology for contactless communication, One Tag can be connected to up to 13 security system control panels
Country of Origin UA