TP-LINK 108Mbps Wireless PCI Adapter . Connectivity technology: Wireless, Host interface: PCI. Data transfer rate (max): 108 Mbit/s, Supported data transfer rates: 108/54/48/36/24/18/12/9/6 Mbps. Modulation: DBPSK, DQPSK, CCK, OFDM, Frequency band: 2.4 - 2.4835 GHz. Antenna connector type: R-SMA, Gain: 2 dBi. Certification: CE, FCC