Geetek Nano. Connectivity technology: Wireless, Host interface: USB, Interface: WLAN. Data transfer rate (max): 150 Mbit/s. Chipset: RT3072, Modulation: IEEE 802.11b: DBPSK / DQPSK / CCK. IEEE 802.11g: BPSK / QPSK/ 16QAM / 64QAM, Frequency band: 2.412 - 2.484 GHz. Power consumption: 450 mA. Width: 78 mm, Depth: 27 mm, Height: 13 mm