COMFAST CF-WU815N 150Mbps Mini Wireless USB 2.0 Free Driver WiFi Adapter External Network Card
2. Free driver, auto installation, you just need to plug and play.
3. Plug CF-WU815N in the laptop, which has network, then all people around can have WiFi signal.
4. It supports WPA-SPK/WPA2-PSK, WPA/WPA2 and WEP encryption, which can make your network more safe.