Finally, we will have the draft 2.0 status of our high speed wireless device certified. The testing and finalization will come this September and no changes are expected to the base requirements.

What this means is all devices that adhere to the base requirements will be certified 802.11n. There will be “small optional additions” made to final certification but us consumer might not notice it unless looking for much higher throughput at 450Mbps.

But the final 11n Certification suite will also test for compliance with four “optional” features included in the released standard (packet aggregation, coexistence, three spatial streams and space-time block coding)….

In particular, the three spatial stream “option”, really creates a new class of products, those capable of 450 Mbps maximum link rates.

SmallNetBuilder

Read further at Wifi Alliance too

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