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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How Does RF Shielding Work?
Radiofrequency shielding, or simply RF shielding, is a specially-engineered film with an electromagnetic shield that blocks radiofrequency radiation. Installing an RF shield in an enclosed area like an office, a conference room, or a data room creates a secure space...
OFFICE LOCATION
3 Easter Court
Suite L
Owings Mills, MD. 21117