TP-LINK 54Mbps High Gain Wireless USB Adapter . Connectivity technology: Wireless, Host interface: USB, Interface: USB 2.0. Data transfer rate (max): 54 Mbit/s. Modulation: 1M DBPSK, 2M DQPSK, 5.5M/11M CCK, 6M/9M/12M/18M/24M/36M/48M/54M OFDM. Gain: 4 dBi. Certification: CE, FCC