Daniel Drake wrote:
> Nathan Meyers wrote:
>> Daniel Drake wrote:
>>> Thanks for the report. It's very interesting: MIMO is the technology 
>>> used to drive 802.11n (multiple simultaneous data throughput 
>>> channels) but the ZD1211 hardware does not support this (it only has 
>>> a single radio). The ZyXEL website doesn't really explain how they 
>>> are using MIMO in this device. Just curious, do you have any ideas?
>> The extent of my knowledge about this product is that it ran me about 
>> $12 last week from TigerDirect :-).
>> It claims to have three antennas inside its little box - pointing up, 
>> left, and right - with LEDs indicating which one is in use.
> Someone should tell ZyXEL that's called antenna diversity, not MIMO :)
> I wonder if they do diversity/antenna switching externally from the 
> ZD1211 hardware. If they use ZD1211 functionality for diversity, it may 
> explain why the current antenna never changes: our driver doesn't 
> support the ZD1211 diversity features (and neither does the vendor Linux 
> driver really). One interesting test would be doing the same experiment 
> under windows and seeing if the lights change.

Finally tried this under Windows - the switching is indeed performed 
from the driver.


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