US Robotics 125 Mbps Wireless Turbo PC Card. Connectivity technology: Wireless, Host interface: CardBus. Data transfer rate (max): 125 Mbit/s, Supported data transfer rates: 1, 2, 5.5, 6, 11, 12, 22, 24, 36, 48, 54, 125Mbps, Bandwidth: 2.4 GHz. Spread spectrum method: DSSS, Modulation: BPSK, OFDM, PBCC, QPSK, Frequency band: 2.400 - 2.472 GHz. Width: 53.2 mm, Depth: 114 mm, Height: 5 mm. Certification: FCC approved (Part 15 Class B) IC approved (RSS-210) UL/CUL listed