I don't think Virtual PC will work. It is designed for older program support. It is not meant for hardware support. It uses a specific hardware environment and you can not change it. I have never tried it with wireless so I can't be sure.
Don't buy it. Just borrow a copy of Ultimate 64 and put it on. You can use it for 30 days (I don't remember exactly how long) without registering it. If it works buy it.
Other option is to put 32 bit Windows on it. Again try before buy in case it won't work.
Also check on VMWare. I think you can get older versions for free and it has hardware support.