Trex Enterprises' subsidiary, Sago Systems, Inc., develops, manufactures and sells state-of-the-art passive millimeter-wave imaging systems for security applications. We have successfully imaged such contraband as suicide vests, plastic explosives and ceramic guns and knives. Our systems are affordable, non-invasive and operate with existing security systems and infrastructure. Our products are protected by existing patents and subsequent applications.

• Provides real-time stand-off detection of concealed weapons and contraband
• Totally passive operation
• No health and safety issues
• Heat emitted from human body at millimeter-wave penetrates clothing, but is blocked by concealed weapon or contraband
• Size, shape, and directional discrimination
• Clutter-free images
• Metallic and non-metallic article detection
• Explosives (suicide bomber) detection
• Wide area surveillance capability
• Stand-off capability

	Visible and Millimeter-wave Images of Taurus9mm Gun Concealed Under Shirt

Sago™ ST-150, is a stand-off detector that can be deployed at mobile checkpoints, building entrances, as a perimeter security device or as a covert contraband detection system. Designed for mobility, the system is lightweight, battery-powered and communicates at a safe stand-off distance over standard wi-fi interfaces to a laptop computer. The acquisition time of images is about two seconds. Our other systems include portals, handheld devices and real-time imagers for personnel screening.

Advantages Over Other Millimeter-wave Products

• Operates with safe stand-off distance
• Lightweight / portable
• Low cost
• Provides clear images of concealed weapons
• Totally passive – safe to user and subjects
• Rugged