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.
What is Radio Frequency (RF) Attenuation and How Can It Affect Your Life?
Merriam-Webster defines the verb attenuate as “to lessen the amount, force, magnitude, or value of, to weaken.” For radio frequencies or light waves, this refers to the way in which the strength of waves lessens while going through open air, walls, windows, the human...
How Long Do Window Films Last?
Window film used in commercial properties lasts 10 to 15 years on average. When used in a residential property, it is often given a lifetime guarantee. Modern-day architecture in both commercial and residential spaces includes using more glass in construction than...
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Suite L
Owings Mills, MD. 21117