D-Link Wireless G Notebook Adapter. Connectivity technology: Wireless, Host interface: CardBus. Data transfer rate (max): 54 Mbit/s, Supported data transfer rates: 6/9/12/18/24/36/38/54 Mbps. Modulation: CCK, DBPSK, DQPSK, OFDM, Frequency band: 2.4 GHz. TX power consumption: 450 mA, RX power consumption: 300 mA. Width: 120 mm, Depth: 54 mm, Height: 5 mm