Suggestions for routers capable of running Atheros-CSI-Tool

I have been reading up about the tool and would love to try to implement it. I would need two capable units one as trx and another as rcv.

Any suggestions for a router that can run open-wrt and has the Qualcomm Atheros 802.11n Wi-Fi chipset. It does need to be avaible from a site like amazon or some other EU distributer.

Thank you in advance