I have had many of my H.264 960H systems manufactured by Cantonk and am suprised by this negative feedback. I have ordered and installed hundreds, if not thousands of their cameras and NEVER had a problem. The DVR's network well using internet explorer or their DVR Client. Using mobile port 101, syems come up on mobile devices and tablets. Downloading video remotely is very easy and some of the clearest video we install.......