SMC EZ Connect™ N Wireless CardBus Adapter. Connectivity technology: Wireless, Host interface: CardBus. Data transfer rate (max): 300 Mbit/s, Supported data transfer rates: 1 - 300 Mbps. Frequency band: 2.4 GHz. Bundled software: EZ Installation Wizard. Width: 53.95 mm, Depth: 122.4 mm, Height: 10.1 mm