I'm looking for a PoE+/++ powered USB-C network adapter: PoE would supply network AND provide power to the computer/tablet/whatever so it would be powered over just the single USB-C connection.

Microchip Technology Inc. has introduced a power over Ethernet (PoE) to USB-C adapter, solving the issue of limited USB cable length and the need for a nearby power outlet. The PoE to USB-C adapter, ...