The Fortinet Fortiwifi 30D is a USB-based firewall device designed by Fortinet. It runs on a minimum processor speed of 1 GHz and is compatible with Windows operating systems. This unit does not come with a power supply, making it easy to use and set up in various networking environments. The device is capable of protecting a single device and is ideal for small businesses or home offices looking to enhance their network security. The Fortiwifi 30D model offers reliable firewall protection in a compact and easy-to-use format.