When I first set up my wifi cameras, I set the QOS for all them to the highest. Does this help prevent dropped frames ect with BI. Below is an article which talks about QoS.
http://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=2&ved=0CCgQFjABahUKEwjckY7AgfTGAhUBgj4KHRBhDYU&url=http://pins.moxa.com/Tech_note/Three%20Key%20Design%20Considerations%20of%20IP%20Video%20Surveillance%20Systems.pdf&ei=L1CyVZy-CYGE-gGQwrWoCA&usg=AFQjCNF2GHghsG0YOFnk6T0uer_uBU7i0Q&sig2=PPcy3KorqtV8BPsHZwApcg
http://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=2&ved=0CCgQFjABahUKEwjckY7AgfTGAhUBgj4KHRBhDYU&url=http://pins.moxa.com/Tech_note/Three%20Key%20Design%20Considerations%20of%20IP%20Video%20Surveillance%20Systems.pdf&ei=L1CyVZy-CYGE-gGQwrWoCA&usg=AFQjCNF2GHghsG0YOFnk6T0uer_uBU7i0Q&sig2=PPcy3KorqtV8BPsHZwApcg