11-MBPS Wireless USB Adapterby Gigafast Inc. GigaFast WF741-UIC 802.11b 11Mbps Wireless USB Adapter General Features: Standard: 802.11b Interface: USB Frequency Band: 2.4000 ~ 2.48351 GHz Modulation: CCK @ 11/5.5Mbps, QPSK @ 2 Mbps, BPSK @ 1 Mbps Radio Technology: Direct Sequence Spread Spectrum (DSSS) Data Rate: 11/5.5/2/1 Mbps Security: 64/128-bit WEP