In the Open Systems Interconnection (OSI) model, network hubs operate at the physical layer (layer 1). This diagram depicts the role of a USB hub in a network. There are three types of network hubs: ...
Raspberry Pi has just released another affordable accessory for its single-board computer lineup — an Official Raspberry Pi USB 3 Hub that only costs $12. The official Raspberry Pi USB 3 Hub ...
but does actually draw all of its power from the hub itself. This made it possible to attach a USB to Ethernet adapter to boost the speed which would have been limited by the WiFi connection.