Linksys Wireless-N Business Notebook Adapter. Connectivity technology: Wireless, Host interface: CardBus. Data transfer rate (max): 108 Mbit/s. Modulation: 802.11g: OFDM, BPSK, QPSK. TX power consumption: 600 mA, RX power consumption: 550 mA. Width: 124 mm, Depth: 54 mm, Height: 13.5 mm