USB to Ethernet Adapters

Built for Durability

Portsmith USB to Ethernet and USB-C to Ethernet Adapters have been providing fast, reliable data connectivity since 2011. Our development engineers have developed multiple adapters for specific use-cases. Our original USB to Ethernet adapter is ideal for business and office applications while our rugged encapsulated adapters offer unparalleled resistance to harsh environmental conditions. Our newest rugged USB-C to Ethernet adapter is an award winning design. And our specialty MIL-810G USB to Ethernet adapter is ideal for mission-critical applications.

Portsmith USB to Ethernet and USB-C to Ethernet Adapters
Twenty Years of History
Over 1 Million Units Installed
BOM Stability
Rugged USB-C To Ethernet + Power

Our Rugged USB-C to Ethernet adapter is the only enterprise grade USB-C 3.1 to Gigabit Ethernet adapter that also provides USB-C power delivery via the on-board USB-C power input port. With input speeds up 5Gb/ and 1 Gigabit to Ethernet output coupled with Portsmith’s legendary stability, this is the choice for business deployments in which failure is not an option.

USB to Ethernet: Desktop
Mil-STD USB to Ethernet

The MIL-810G USB to Ethernet adapter is designed for military and tactical applications. The double over-molded design provides the ultimate protection from humidity, altitude, blowing dust and rain, as well as impact and vibration. When systems and peripherals must meet stringent MIL-STD requirements, this is the go-to adapter.

USB to Ethernet Adapters