Signals Defense, a Division of LOCKMASTERS, INC.

Protecting People & Information by Mitigating the RF (Radio Frequency) and IR (Infrared) Threats

Signals Defense patented RF/IR attenuating building shielding materials for windows, meets the TEMPEST requirements for the Intelligence Community Directive ICD705, for secure facility construction and renovation.

Our technology has been deployed on over 3,000 government and commercial facilities worldwide to mitigate electronic eavesdropping threats.  SD technology provides added security for WLAN, IBW, and DAS (Wireless Local Area Network or 802.11 and other In-Building Wireless and Distributed Antenna Systems).  

Signals Defense technology also provides safety and energy benefits; UV and glass fragmentation/spall control window films, and our RF/IR interlayers can be fabricated into laminated glass and polycarbonates.

For more information on shielding your building contactus@signalsdefense.com or visit www.signalsdefense.com