Portable Wifi

I hope this is the correct forum. My partner and I are going to be working in Europe next summer and trying to figure out how to get a wifi connection (2 laptops for work, 2 phones, and an iPad for play). We will need a stable, high-speed internet connection. Probably 1gb per day for work plus...

I currently use one monitor but i have a second one. My main monitor(the one i use now) is connected via HDMI but when i connect my second monitor via DVI my main monitor randomly glitches out(horizontal lines) and the only way to get rid of that is to restart my PC. This can happen once a week...