arris surfboard sb8200

So first, TIA for any help you can send my way. Ive had EXTREMELY bad modem connectivity issues for a while now. I have called my ISP (mediacon) multiple times to have them send a tech out to figure this out. They always say oh everything looks fine, Im not sure whats going on, etc.. Well my...

I'm having an Arris Surfboard SB8200, but I recently noticed that the SB8300 is available. I love the way SB8200 works with my current setup, but I'm about to set an home office and shall be using Comcast Xfinity's Business Internet Plan. I was recently searching for good quality modems on...