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.
Mitigating electronic eavesdropping
What You Need to Know About Electronic Eavesdropping (and How to Shield Against it) About Electronic Eavesdropping - As a child, you may have pressed your ear against a wall or room door to see if you could listen in on a private conversation between family members or...
Hidden RF Shielding in interior design
The Art of Concealment: Hidden RF Shielding in Interior DesignThink you can't shield your building from electronic eavesdropping and maintain a premium aesthetic? Think again. Today's RF shielding protection technologies and strategies are so discrete that unless...
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Owings Mills, MD. 21117