The AR7010 is a USB/PCIe SoC with onboard RAM, ROM and flash.
It comes with an external wireless chip connected via PCIe - typically
-an AR9280 or AR9285.
+an AR9280 or AR9287.
The AR9271 is a USB/Wifi SoC with onboad RAM, ROM, flash and the
actual wireless chip. The wireless core is an off-shoot of the AR9285.