does my modem have to be connected to a phone line
If you want an wireless Internet connection, the router needs connected to a broadband modem (DSL or cable). The only time it would plug directly into a phone line would be if it is a combination router/DSL modem.A good router might go a couple hundred feet in open air. Structure, walls, windows and such, can affect distance.he only time it would plug directly into a phone line would be if it is a combination router/DSL modem. A good router might go a couple hundred feet in open air. Structure, walls, windows and such, can affect distance.