KBC Networks manufacturers Thrulink, a product that gives you the capability to stream live high-quality video over a 3G Cellular network. With the coming of 4G that might be the way to transmit video, and HD video, anywhere! Check out this latest article from Jon Epperson of KBC.
Also be sure to watch the video below of H.264 video transmitted live from a police car over a 3G cellular network and it's fully encrypted!!