Network Technologies Inc Technical Articles, Product Information and more. http://www.networktechinc.com/articles.html http://www.networktechinc.com/article-noise.html http://www.networktechinc.com/article-noise.html Mon, 10 Dec 2007 08:00:00 EST Protect your KVM or Video Extender from Electromagnetic Interference (EMI) or noise by using shielded cable to transmit the signal.