Allied Telesis High Speed 802.11g Wireless CardBus Adapter, Single pack. Connectivity technology: Wireless, Host interface: CardBus. Data transfer rate (max): 54 Mbit/s, Supported data transfer rates: 1, 6, 9, 12, 24, 36, 48; 1, 2, 5.5, 11 Mbps. Modulation: 16QAM, 64QAM, BPSK, QPSK, Frequency band: 2.4/2.497 GHz. TX power consumption: 390 mA, RX power consumption: 220 mA. Width: 110 mm, Depth: 5 mm, Height: 54 mm