SparkLAN WUBR-300. Connectivity technology: Wireless, Host interface: USB, Interface: WLAN. Data transfer rate (max): 54 Mbit/s. Networking standards: IEEE 802.11b, IEEE 802.11g, Modulation: CCK, DBPSK, DQPSK, OFDM, Frequency band: 2.412 - 2.4835 GHz. Wireless LAN type: 802.11b, 802.11g. Width: 60 mm, Depth: 94 mm, Height: 16 mm