US Robotics 802.11g Wireless USB Adapter. Connectivity technology: Wireless, Host interface: USB, Interface: USB 2.0. Data transfer rate (max): 54 Mbit/s. Certification: RoHS, FCC, CE, IC, Safety: UL, CUL. Security algorithms supported: 64/128-bit WEP. Operating temperature range (T-T): 0 - 40 °C, Storage temperature range (T-T): -20 - 70 °C, Operating relative humidity range: 20 - 85 %