The Rosewill RNX-N150NUB WiFi Network Adapter is a compact and versatile networking device designed to provide wireless connectivity to desktops, laptops, or other compatible devices. Featuring support for the 802.11n WiFi standard, it typically offers reliable data transfer speeds up to 150 Mbps. The RNX-N150NUB typically features a USB interface for easy plug-and-play installation, making it suitable for users looking to upgrade their devices to support WiFi connectivity. Its compact and portable design makes it convenient for use at home, in the office, or while traveling.