I do not think that it would not pass but in reality, the 802.11n hardware would not be a big Joy to begin with.
The enhancement is counting on the MIMO arrangement of the Antenna.
Building these triple Antenna is cumbersome the amount of ads ons and auxiliary device would be limited because of the hassle to make the Antenna arrangement practical.
For Business use, it would be a real travesty.
For the majority of End-Users that are using the Wireless solely for Internet surfing there would not be an incentive to upgrade.