ZyXEL ZyAIR B-122 - 802.11b Wireless CardBus Card. Connectivity technology: Wireless, Host interface: CardBus. Data transfer rate (max): 11 Mbit/s, Supported data transfer rates: 1, 2, 5.5, 11 Mbps. Spread spectrum method: DSSS, Modulation: BPSK, QPSK, CCK, Frequency band: 2.4 - 2.4835 GHz. LED indicators: Link, ACT. Compatibility: Notebook