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poor wifi performance of Orbi RBK20 (max 12MB/s)
Hi all,
I intensively tested the RBK20 orbi and the real performances are lower than expected.
The system is set as AP, the master and the satellite are connected via ethernet, the tests were performed with various devices: HP Elitebook wifi AC 5Ghz Windows 10, HP Probook ethernet 1Gb Linux, NAS Qnap ethernet 1Gb.
if I move a file from pc connected to the ethernet ports of the satellite and a nas connected to master I reach 30-50MB/s
PC->ethernet->Satellite->ethernet->Master->ethernet-NAS = 50MB/s (OK)
if I move a file connecting to both the satellite and the master via wifi AC to a pc or the nas connected to the other via ethernet I don't exceed 12MB/s
PC->WifiAC->Satellite->ethernet->Master->ethernet->NAS = 12MB/s (NOT OK)
same result if I try via wifi between two PCs connected to the same orbi then without passing from the home lan
PC->WifiAC->ethernet->Master->WifiAC->PC = 12MB/s (NOT OK)
all the tests are performed at 1meter distance from the AP
i tryed to chance channel but same result
welverin wrote:but in theory which would be the maximum tranfer rate through an orbi ?
to understand how i am far from best case
Just a guess here. Given RBK20 fronthaul @866Mbps, which is half of RBK53 backhual @1733Mbps, if you can get close to 20MB/s, that would be reasonable. Based on a similar test I did on RBK53 via its backhaul @1733Mbps, the peak ~40MB/s. If your wired client could get 30-50MB/s, that's also within the ball park of my test because my wired client could hit ~90MB/s. Check out this post for more details.
You can also verify if you hit Orbi peak performance by replacing Orbi with an exisitng WiFi router if you have a spare one lying around or turn on WiFi on your exisitng router if it's a combo.
12 Replies
What wifi band are you connecting through? If you're transfering over 2.4ghz 12 MB/s is roughly 96 mb/s. Which is pretty respectable for 2.4ghz. 5ghz you should be able to go quite a bit faster. the orbi does the band steering so you need to make sure your wireless devices are on the 5ghz for maximum throughput.
all devices work at 5Ghz, so it is strange slow performance
i tryed 36 and 44 channel
for 2.4Ghz i tested only an odroid xu4 to nas (scp protocol), but odroid wifi performance are not comparable with a pc so i have no enought number to create a report for this bands
odroid xu4's optional wifi setup is a 1x1 a/b/g/n antenna. Not ac and only single antenna. so you're right in it not being a good testing platform for wireless.
Wifi is a hard one for testing with orbi due to band steering and device selection.
What internet speeds do you pay for? What speeds do you get hardwired speedtesting the internet connection?
Have you tried speedtesting over a phone?
If so what model, what website are you testing off, and try multiple tests/disconnect/reconnect.
What wifi chip/setup are you using for testing your 5ghz with your elitebook? thats the only laptop that you've listed with wireless card. driver version on it? That's the only wifi device I seen listed for pc and I just want to make sure its not an issue with that card.
