Repeaters & Transceivers descriptions： We use high-quality raw materials, all materials are very suitable for the product, please rest assured to buy. Mini Usb Wifi Wireless Lan Network Card Adapter. Specifications: 150Mbps  Mini USB Wifi Wireless LAN Network Card Adapter 1.Mini USB Dongle 2.150Mbps Speed USB Wifi 802.11n Mini Wireless Adapter Standard: IEEE 802.11g,IEEE 802.11b,CSMA/CA with ACK.used with IEEE 802.11n(draft 2.0) Wireless Technology Interface USB 2.0 Frequency   2.4~2.4835GHz Wireless Speed 11n: the Highest Data Rate Can Reach to 150Mbps 11g: 6/9/12/18/24/36/48/54Mbps(auto Fallback) 11b: 1/2/5.5/11Mbps(auto Fallback) Working Channel   1~14 Data Modulation 11b: CCK,DQPSK,DBPSK 11g: OFDM 11n: OFDM with PSK,BPSK,16-QAM,64-QAM RF Power 13-17dBm(Maximum) Antenna Gain 2dBi  internal Smart Antenna   Encryption 64/128/152 Digit WEP Encryption,WPA/WPA-PSK,WPA2/WPA2-PSK Encryption LED Indicator Link/Activity Working Environment Working Temperature: 0 °C to 40 °C Storage Temperature: -20 °C to 75 °C Working Humidity: 10% to 90%RH   Storage Humidity: 5% to 90%RH   Operation System Windows 2000/XP/Vista/WIN 7/LINUX Mac OS Etc. Range Indoors:  50-100m (Theoretical Value) Outdoors: 100-200m ( Theoretical Value) Package: USB Adapter . Products number : SOMONO160565