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.

TEMPEST Shielding and SCIF Design

TEMPEST Shielding and SCIF Design

How TEMPEST Shielding Plays A Role In SCIF DesignTEMPEST Shielding, SCIFs and the ICD-705: What to KnowA (SCIF), or ‘Sensitive Compartmented Information Facility’ is a secure space used to protect sensitive corporate and government communications from electronic...

RF/STC High Security Specialty Doors

RF/STC High Security Specialty Doors

Enhancing Privacy and Acoustic Performance in Commercial and Government Spaces Doors are designed to secure spaces, manage access, and ensure privacy. But in high-security environments, specialty doors like RF and STC models go even further—providing advanced...

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Owings Mills, MD. 21117