The 300Mbps Universal WiFi Range Extender Model BL-WA730RE is a WiFi Repeater (or a WiFi Range Extender). It is used to increase the range of WiFi networks by receiving wireless signals from a router, amplifying them and rebroadcasting them. In this way, your WiFi network’s range is extended. Devices located outside of the original WiFi range, can access the new, extended range of WiFi. The 300Mbps Universal WiFi Range Extender Model BL-WA730RE can double the coverage area of your of WiFi network, extending the WiFi coverage to every corner of your home or office