Cisco-Linksys WPC54GR Wireless-G Notebook Adapter with Rangebooster High-speed Wireless-G networking for your notebook computer, now with RangeBooster performance enhancement New RangeBooster technology for up to twice the range, reduced dead spots, and up to 35% more throughput Also interoperates with standard Wireless-G and Wireless-B networks Advanced wireless security: Wi-Fi Protected Access&#8482; (WPA), and up to 128-bit encryption