[codedr]

What program language are you using?
What happens if you start with 7 talons enabled and then add one at time and verify that they work?
I didn't see or understand, does using an ethernet cable behave the same as using the usb cable ?

Also, when you switch to wi-fi, make sure you have all the other network inter-faces disabled.
Also, do you have an another wi-fi network interfering with your wireless? You can use a network display tool to see how many wi-fi signals are around you.