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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