Two working modes of the repeater: Repeater mode: wireless to wireless: After receiving the wireless signal from the original wireless router, the repeater retransmits a new wireless signal, so as to achieve the effect of amplifying and expanding the coverage. Compatible with all wireless routers (you need to know the user name and password of the wireless signal), and the setting is very simple. The product comes with an instruction manual. Mobile phones, computers and tablets can all be configured, and all wireless devices can only be used once. AP mode: wired to wireless: After the network cable is connected to the computer, you can directly access the Internet without dialing, such as hotels, apartments, rental houses, offices, and share broadband with neighbors, etc., you only need to insert the connected network cable into the Ethernet port of the repeater, you can convert wired to wireless. Plug and play does not require any configuration.