WiFi signals will decay as distance increases. When users are in a large apartment, a multi storey villa, a small business, a hotel or a dining environment, they are often afflicted by the weak WiFi signal.In order to solve the problem of the weak WiFi signal in large environment, Phicomm home network product line plan to research and development a WiFi expander, then E1 comes. The E1 is a dual band Gigabit WIFI extender, it can be perfect match with router, It can realize wireless bridging and relay easily.E1 can extend wireless coverage in all directions, solve the problems of poor signal coverage and blind spots.