其實mumimo個用途大唔大
https://www.smallnetbuilder.com/wireless/wireless-reviews/32975-mu-mimo-retest-six-routers-compared?limitstart=0
Even though we're in the second generation of MU-MIMO routers, the technology still has much maturing to do. Folks who have been developing MU-MIMO in mobile technologies know this is hellishly complex stuff; far beyond my simple mind's ability to grasp much beyond its basic principles.
I have to say I'm not a believer that MU-MIMO will end up as a significant contributor to improving the lot of folks trying to tame the Wi-Fi beast. But for consumer router makers, it's one more thing to slap on the box front in hope of luring desparate buyers.
Just like the non-MU beamforming that is part of 802.11ac, MU-MIMO will probably contribute something to better Wi-Fi performance down the road. But it will be years before it's a significant contributor. 802.11ax will be here by then, giving Wi-Fi marketeers more buzzwords to use and driving poor Wi-Fi consumers even further into madness.
That said, if you simply must have a MU-MIMO router now, your best best for sure is one based on QCA's MU-MIMO technology. And of those, NETGEAR's R7800 Nighthawk X4S looks like it deserves its #1 spot in our AC2600 Router Ranking for MU-MIMO performance, too.
自己睇smallnetbuilder個Test同Closing Thoughts