Kanex USBRJ45 Interface Card Adapter Computer Component

MacBook Air compatible
Perfect for business or travel where Wi-Fi would be limited. Just plug the USB port into your MacBook Air and connect to a network instantly!
USB-bus Powered
The Kanex USB Ethernet adapter is bus powered through USB therefore no external power required.
Quick and Simple
Set-up is a breeze for those who have plugged a USB cable before. This adapter requires a one-time software installation, then plug and play.
Works with a plethora of devices
Whether you're hooking up to TiVo or networking your old computer withouth a NIC card, this USB Ethernet adapter will work on any network-hungy machine providing you with full 100Mbps bandwidth.