It is a 300Mbps most fashionable mini USB wireless network adapter, smallest invisible super mini outside design, small and exquisite, it won't take much room to use and it is very convenient to take along. Range: Indoors: 50-100m (Theoretical Value) Outdoors: 100-200m (Theoretical Value It built in smart antenna, can sharply strengthen the wireless signals receiving ability, wireless stability and signals covering range. Its adopts the newest network transmission technology IEEE802.11N and Green WLAN, transmission rate up to 300Mbps. Compare with the traditional 54 Mbps 11G products, it has more wireless bandwidth, making the LAN data transmission higher efficiency, it can reduce the network delay, make the voice and video chat and Video-On-Demand more fluent. At the same time, it can support wireless roaming, guarantee the wireless connecting. CF-WU810N also adopts the newest International wireless CCA(Clear Channel Assessment)channel detecting technology, When it detected out that its around has wireless signals disturbing, it can adapt itself to the frequency mode automatically, avoiding other channels disturbing and making the wireless signals more stable. When the disturbing disappear, it can tied up the leisure channel again, promoting the wireless performance. Besides, it also can support WMM audio/video priority function, making the media audio/video transmit more fluently. This invisible wireless adapter can be a Wi-Fi emitter, connecting with other PC and shared the Wi-Fi wireless network. Specifications: 300Mbps Mini USB wireless network adapter Chipset Realtek RTL8188EUS Standard.