Buffalo Wireless-G 125 High-Speed PCI Adapter. Connectivity technology: Wireless, Host interface: PCI. Data transfer rate (max): 125 Mbit/s. Modulation: CCK, DBPSK, DQPSK, DSSS, OFDM, Frequency band: 2.412 - 2.462 GHz. Weight: 94 g. Compatibility: PC