After more than 12 years of reliable performance, the trusted BTB65 TalkBox is being phased out. Learn how the new BTB115 Advanced TalkBox builds on its legacy with enhanced features and performance.

SDi Fire unveiled XTR AXIS at the 2026 NFPA Conference & Expo, introducing a faster, smarter approach to detector sensitivity testing. See what made this launch one of the highlights of the show.

SDi is proud to congratulate Rick Heffernan, Group Vice President – Codes, Standards & Strategies, on his election as 1st Vice Chair of Section BES SB within the National Electrical Manufacturers Association (NEMA).

The XTR2 and DT Connect have transformed inspections, cutting test times in half while streamlining reporting and documentation. For the team, these tools aren’t just upgrades—they’ve redefined how inspections are done.

SDi Fire has been honored with the 2025 NEMA Illuminations Award for Business Innovation, recognizing the company’s impactful contributions to advancing fire alarm testing through technology-driven solutions like the XTR2.

With a combined in-person and virtual effort, SDI’s team made a meaningful impact, helping fund life-saving breast cancer programs through the American Cancer Society.

Explore the latest DT Connect features, such as access to saved site histories, simplified asset management, and streamlined repeat testing. Learn how these tools can optimize your workflow, improve accuracy, and save valuable time on every inspection.

At the 2025 NFPA Expo, SDi unveiled new DT Connect features—including CSV asset upload, extended site asset lists, test-from-saved-site, and asset filtering—designed to streamline inspections and improve workflow efficiency.

Clear voice communication is a critical part of life safety—measuring speech intelligibility ensures that emergency messages are heard, understood, and acted on without delay.

Maintaining and cleaning smoke detectors is key to ensuring they perform optimally and offer reliable protection in case of fire.