If you are someone who has access to multiple wireless connections and wish to connect to multiple wireless connections simultaneously using the only WLAN interface card, this article is a good read for you. Alternatively, you can always go for installing multiple WLAN cards for connecting to multiple wireless networks simultaneously, however, that will be a costly deal and will also drain out quite a lot of battery power of your precious little laptop. Some legacy laptops might not even allow addition of extra WLAN interface card.
VirtualWifi is a free software offered by Microsoft which abstracts a single WLAN card to appear as multiple virtual WLAN cards to the user. The software then allows the user to configure each virtual card to connect to a different wireless network. Therefore in short, VirtualWiFi allows a user to simultaneously connect his machine to multiple wireless networks using just one WLAN card.
Virtual WiFi uses a network hopping scheme to switch the wireless card across the desired wireless networks. Switching between networks is transparent to the applications, such that the user feels she is connected to multiple wireless networks simultaneously.
You can download VirtualWifi from here. Once downloaded, you will find VirtualWiFi Binaries and VirtualWifi Source Code.
How To Install VirtualWifi for connecting for multiple wireless networks with one WLAN Card?
Once you have downloaded the VirtualWifi package, refer to the Installation instructions and Installation FAQ for installing VirtualWifi. Once installed, VirtualWifi will allow you to simultaneously connect to Multiple Wireless Networks with a single WLAN Interface card.
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