The Wireless-N PCI Adapter with Dual-Band adds wireless connectivity to your desktop computer. Install it in an available slot in your computer, & enjoy high-speed wireless network access without running wires. Wireless-N technology uses multiple radios per band to create robust signals for great speed & range, with reduced dead spots. The Dual-Band PCI Adapter operates in the 2.4 & 5 GHz radio bands -- choose the one with least congestion in your area. Offers optimal performance when connected to Wireless-N but also connects to Wireless-G, -B, & -A networks. Get connected quickly. Installs in your computer's PCI slot. Step-by-step Setup Wizard helps configure your network settings. Minimum Requirements 600 MHz or Faster PC 512 MB of RAM CD-ROM Drive Available PCI Slot Up-to-date Windows 2000, XP, Vista or Vista 64-bit Edition