Don't tell me you can watch a movie without interuption with only 2% downloaded. I don't believe that for a second.
I have 15/2
I have a Dual Band 900 MBPS wireless router that has no issue with steaming on multiple devices.
Believe it or Not, I do it all the time. I have 15/2 (Mediacom) and do not use wireless for DTV. MY DTV "black box" uses Ethernet.