There are a couple channels in the 2.4Ghz spectrum you can use at low power. They'd have to modify the wifi drivers on the iPhone to tune those channels and mod

There are a couple channels in the 2.4Ghz spectrum you can use at low power. They'd have to modify the wifi drivers on the iPhone to tune those channels and modify the wireless bridge to broadcast them. Probably more likely they'd just use wired Ethernet via the dock connector. If they wanted to be authentic they could rate-shape it to match typical wifi speeds.