Signals Defense Product Catalog
The 2026 Signals Defense catalog is here and contains information on our best selling Signals Defense products including: RF/IR window films, foils, tapes, paints, caulk, and Lockmasters RF/STC doors and locks.
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Building Shielding Experts
Thank you for considering Signals Defense for your building shielding needs. We are thrilled to share our product catalog for your reference. We have continued to expand our product line to cover all of your shielding requirements.
Debunking Myths Series: The Best RF Shielding Materials and Why
Have you noticed the level of sophistication of modern cybercriminals? In February 2018, the FBI issued a public service announcement about an increase in W-2 phishing campaigns. Believe it or not, cybercriminals have managed to scoop up the W-2 information for all...
The Science of RF/IR Window Shielding: How It Works
Safeguarding a business or organization from data theft via its radio (RF), infrared (IR), and electromagnetic (EMF) frequencies is important, but do you know how to do it and where to start? Window films are a great way to secure locations and prevent RF...
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3 Easter Court
Suite L
Owings Mills, MD. 21117