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How To Detect Cell Phones Behind Aluminum and Concrete Using Manta Ray Cell Phone Detector

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Published on Apr 14, 2013

Manta Ray detects cell phones that are completely OFF & battery removed behind, under or inside a variety of materials including aluminum, sheet rock and concrete.

For more information visit www.BVSystems.com or call 888-737-4287 (9-5 EST)

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