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 :)
Probably a very high wall between R&D and marketing. I've seen a few of
those myself over the years.
> 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.
Reasonable suspicion - I'll let you know if I get a chance to try it.


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