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.
Safeguard Sensitive Data with Emission Security
Safeguard Sensitive Data with Emission SecurityDid you know that emission security is a critical component of facility protection in sectors handling sensitive data? For over 25 years, Signals Defense has specialized in advanced RF (Radio Frequency) and IR (Infrared)...
Electromagnetic Fields (EMF) and Why Shielding Matters
Electromagnetic Fields (EMF) and Why Shielding MattersMany properties and businesses invest in technologies and systems to protect against physical threats. Yet, there's an invisible threat that's present in just about every property with electronic devices that...
OFFICE LOCATION
3 Easter Court
Suite L
Owings Mills, MD. 21117