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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Unique Ways to Improve Your Data Security
Improve data security through TEMPEST MitigationThe Government has long known about a threat they coined TEMPEST. This is the unintended emanation of RF energy that is created by virtually all electronic equipment. Electronic communications devices are no exception...
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Owings Mills, MD. 21117