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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Do Low-E and Tinted Windows Affect WiFi or Other Radio Frequency Energy?
Do my windows affect radio frequencies (RF) such as wireless Internet signals and mobile phone service? The answer to this question is a hearty "it depends." While there are numerous physical barriers that may weaken RF signals such as Wi-Fi (i.e., cabinets, kitchen...
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3 Easter Court
Suite L
Owings Mills, MD. 21117