MicroTik PWR-Line (PL7400) is a 2-in-1 device. It is also a substitute power supply for MikroTik router powered by microUSB. and PLC network transmitter (media converter) using HomePlug AV standard.
Simply remove the old microUSB power supply and replace it with a PWR-Line adapter. The device is still powered from USB, but now it has a new Ethernet interface that works over the power supply. Connect another PWR-Line device somewhere in your apartment and the devices will be connected, allowing you to extend the range of your wireless network or simply make it easier to connect between different rooms without laying cables. Please note that these types of devices should be connected in one phase, and their throughput is limited by the quality of the electrical installation.