Well, the customer is transmitting (encrypted I assume) credit card information, to the payment processor online (via his point-of-sale system that I didn't install). Not sure if using wireless would breach PCI compliance. Regardless, I'm not a fan of using wireless in a business situation where sources of noise can cause intermittent problems (i.e. cordless phones, neighbors install a wireless access point, etc). Fiber appears to be the way to go. Now to find more than one place to price and get a quote to the customer. PM if you have a source.
