Please post your thread in only one forum. Posting a single thread in the most relevant forum will make it easier for members to help you and will keep the discussion in one place. This thread is being closed because it is a duplicate.
Continue here:
http://www.linuxquestions.org/questi...es-4175610700/
Your question was answered in that thread but I will restate it here. The VirtualBox guest can not use a physical wireless adapter unless it is a USB device.