The router is super easy to install and, once configured, your Wi-Fi network follow you everywhere - if you have a 3G dongle. Network sharing between multiple devices depends on the quality of the 3G signal but in general it is correct. What is really limited, is carried from the router signal. In an apartment two floors have to find a strategic position for the signal in the maximum coins possible, but you never get to cover them all. This is the only drawback, but it's still important.