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My laptop has a wireless pci (Atheros AR242x / AR252x) that doesn't seem to support 802.11n. By default it uses the ath5k kernel drivers.From 'iw list' command I can see that it doesn't support P2P-GO/CLIENT interfaces.I know that ath9k drivers support P2P-GO/CLIENT interfaces, but ath9k is compatible with 802.11n devices only.

My question is: Do I require a 802.11n supported wireless card in order to use Wifi-Direct? If it is no,then how do I get my wireless card(Atheros AR242x / AR252x) to support wifi-direct? or Is there a way where I can make it use ath9k(which support wifi-direct) instead of ath5k?

I use ubuntu 12.04

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up vote 1 down vote accepted

Yes, 802.11n support is mandatory for Wifi direct.And even if you make your wireless pci use ath9k, you still can't use wifi direct.See under supported chipsets in the link

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