Cisco Aironet 802.11A/B/G Wireless PCI Adapter. Connectivity technology: Wireless, Host interface: PCI. Data transfer rate (max): 54 Mbit/s, Supported data transfer rates: 1, 2, 5.5, 6, 9, 11, 12, 18, 24, 36, 48, 54 Mbps, Bandwidth: 2.40 GHz. Modulation: DSSS; OFDM. Gain: 1 dBi. Width: 119.9 mm, Height: 79.3 mm, Weight: 103.2 g