Cisco-Linksys WPC600N Ultra RangePlus Dual-Band Wireless-N PC Card High-speed Wireless-N (draft 802.11n) networking for your notebook computer MIMO technology uses multiple radios per band to create robust signals for maximum range and speed, with reduced dead spots Operates in the 2.4 and 5 GHz radio bands--choose the one with least congestion in your area Also connects to Wireless-G, -B, and -A networks Compatible with Windows XP and Vista