usb 2.0

Hi, I am interested in buying a Samsung Galaxy Tab 2 P3100. I already have a TATA Photon+ dongle for my laptop & wi-fi connectivity at home (NetGear N150). I have seen that, in this model it has USB 2.0 connectivity. Can I use my TATA Photon+ dongle in it to connect through internet? Jay

i have a usb hub 2.0. whenever i connect pendrives to it and transfer files, speed gets reduced to 1 mbps, while the actual speed of my pendrives are 7 mbps, i dont know what is the problem, i have tried on friend's computer, but same result, also a messege is showing, "this device will work...