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.
Signals Defense requests your contact information in order for us to mail samples, email specifications, and download documents.
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.
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Debunking Myth Series: Can Window Film Be Layered?
Window films are used for a variety of purposes, whether it's to provide glare reduction, solar energy improvement, visual privacy, safety protection, to attenuate RF and IR energy, or simply to help decorate or brand a property. One question that is commonly asked...
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3 Easter Court
Suite L
Owings Mills, MD. 21117