... build a wireless LAN. Do not have a wireless router / AP, connect this wireless card(W51/2) ... function: used to receive the signal of the wireless router, WIFI signal 2. Using WIFI transmitter function: ... When you don’t have any router at home, you can use this WIFI adaptor, ... a USB wireless AP route, you no need a router. Speicifications: Wireless Network Standards: IEEE 802.11g, ...