Did anyone tried to use TP-LINK's PCI card TL-WN653AG?
Here are specifications:
802.11a/b/g
up to 108 Mbps data rate
~100mW
RP-SMA connector
http://www.tp-link.com/products/product_des.asp?id=27
Unfortunately I can't find any info about chip. Could it be Atheros that is supported in ROS?