Press Releases

Jun 23, 2026 – Featuring 2- and 4- door controllers, advanced card readers, and a built-in web app, Defendas Sentinel is an easy-to-set-up access control solution designed to grow with your business.

Overview

LT Security Inc. (LTS) announces the launch of its new access control line, Defendas Sentinel Series.

The line offers a complete suite of access control products designed for simple setup and everyday use, yet powerful enough to scale into full enterprise-level systems.

Installers looking to expand into access control have everything they need with Defendas Sentinel. A flexible lineup of door panels, card readers, enrollers, and web and mobile apps come together to support both new installations and system expansion using existing devices.

Key Products

• 2-door and 4-door controllers with built-in PoE and Wi-Fi, expandable up to 84 doors
  
• ST10-MEK Smart Reader with mobile credentials, touch keypad, QR support and IP66-rated all-weather protection
  
• ST902-MEK Reader with RFID, keypad entry, and IP65-rated all-weather protection
  
• ST-ENROLL USB Card Enroller with dual-frequency support (125 KHz and 13.56 MHz)
• STC125E 125 KHz Cards for credentialing
• Defendas Connect Mobile Configuration App, available on the App Store and Google Play
• Defendas ID Mobile Credential App, available on the App Store and Google Play
  
  

System Capabilities

• Built-in web application with primary/secondary architecture—no additional software required
  
• Supports centralized management across multiple controllers and doors (up to 21 controllers and 84 doors)
  
  
• Handles up to 5,000 users and 10,000 transactions, with unlimited archive downloads
• Integrates PoE and Wi-Fi capabilities to help reduce installation time and cost
• Includes advanced features such as anti-passback, lockdown, and system linkage
• Offers flexible user permission settings for customized access levels

Key Benefits

• UL 294 Listed – Proven quality, reliability, and worry-free performance
• OSDP Compatible – secure, flexible integration with a wide range of 3rd-party devices
• No Recurring Fees – built-in web app with no additional software and no recurring subscription costs

Simple, flexible, and built to grow, Defendas Sentinel gives installers a straightforward path into access control. With easy setup and scalable design, this is a system that grows with you.

Installation Architecture

Explore More

Explore Defendas Sentinel through our library of resources, including product videos, installation demos, marketing materials, and our latest webinar.

Ready to see Defendas in action? LTS offers one-on-one demo sessions with our Sales Engineers. Contact your LTS sales representative to schedule a personalized demonstration and experience Defendas firsthand.

Shop Defendas Sentinel Series today or connect with your local LTS Sales Representative.

About LTS

In 2009, LTS began making waves in the security industry, delivering innovative, valued-adding products from cameras and NVRs to intercom and access control devices, and to mobile apps and software. Now, in a new era of intelligent data, LTS is moving ahead again to provide sophisticated data solutions that push the boundaries of business systems and applications. Success stories abound, and top-tier customer service is standing by. Contact us today to find out how LTS can put intelligent solutions in your hands.