The U.S. Robotics 802.11g Wireless Starter Kit is the perfect solution for homes and small businesses that want to share their high-speed DSL/Cable Internet service among multiple users. Delivering speeds up to 54 Mbps, this kit assures your security with multiple wireless encryption and filtering options, as well as a powerful SPI firewall. The slim profile USB 2.0 Wireless Adapter provides excellent flexibility (works with PCs and Laptops) and portability while the Wireless Router has 4 10/100 Ports to support additional Ethernet devices.