Along with the USB A port there’s a regular USB-C port for charging the M2’s battery as well as for powering the router with the supplied mini power adaptor ... to an Ethernet socket in ...

Digital Subscriber Line, or DSL, uses existing telephone ... two adapters, each with an Ethernet port. One device connects to an electrical outlet and tethers to a modem or router’s LAN port ...

Typically, an Ethernet socket is found on the bottom of each device. The first adapter connects to the home's router, while the second can go into any outlet where another connection is needed.