My wifi router is on the opposite side of my house and I don't get very good internet. I have researched and found "Powerline Adapters". I am interested in purchasing this one: http://amzn.to/2wpznw3. I noticed that there is not a big price change from AV500 and AV1000 so I thought why not go with AV1000? But I do not know what AV500 or 1000 is so what should I know before buying AV1000? Does it have to do with what router or modem I have?