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Forum Discussion
Colin_523
Aug 03, 2021Aspirant
HELP! Slow WiFi on RBR850
Desperate for some help, this system is driving me mad! I've got the RBK853 - AX6000 Router and 2 Satellites The router is plugged into the service provider modem with a Cat 8 cable. On the Orbi...
raven_au
Aug 04, 2021Virtuoso
Colin_523 wrote:The router is plugged into the service provider modem with a Cat 8 cable. On the Orbi app it's saying 920MB download and 110MB upload. All good so far!
When I run a speed test (using FAST.COM) right next to the router I'm not seeing anything above about 560MB. I'm being told I should see about 90% of what I get through ethernet, which would be about 830MB.
Assuming you are using a 2 srteam AX capable wireless device the maximum sync rate will be 1201 mbps and your syncing at that rate.
Historically my impression is that (on a good day and not all days are good) I get throughput around two thirds of the wireless sync rate but, if yor lucky, you might get three quarters of it. That's just the way it is due to the various protocol overheads involved in both wireless and IP communications.
Given that you seem to be able to get around 920mbps that should relate to about 610-690mbps. If you get getter than that then the wireless technology is improving which it should be.
What your seeing isn't that far from what I'd expect but 90% (aka. 820 or so) is a bit optimistic IMO.
So there may be room for improvemnt here but I'm not so sure it will be as much as you think.
Testing with a 4 stream wireless device (not many desktop or mobile devices around with that) then you would expect to be able to get the maximum possible available throughput.
Colin_523
Aug 04, 2021Aspirant
Hi raven_au
I hear what you're saying, but it doesn't match up with what Netgear and other users are telling me.
- raven_auAug 05, 2021Virtuoso
Colin_523 wrote:Hi raven_au
I hear what you're saying, but it doesn't match up with what Netgear and other users are telling me.
Actually my analysis was flawed, I assumed your device wireless was syncing at 1201mbps but used 900mbps to calculate expected throughput.
If you use 1201 for what I'm describing you get 800-900mpbs so the speed is a bit slow.
It's worth checking what rate the device is actually syncing at, that will make a difference and whether the trafic is being routed via a satelite (unfortunately I'm not aware of a way to check the sync rate of a satelite) or not since that will make a difference too.
- Colin_523Aug 06, 2021Aspirant
Not sure what you mean by sync rate?
- raven_auAug 07, 2021Virtuoso
Colin_523 wrote:
Not sure what you mean by sync rate?
The rate at which the wireless on the client syncs with the with the wireless on the router.
You can find it using the Oribi app by tapping on the client in question in the client list of the Client Manager tile of navigating though the Network Map tile to the client. It's called Link Rate in that display.
Generally you won't get 90% of the Link Rate throughput, more likely you will get 2/3 to 3/4 of it.
If your Link Rate is low then there is probably interference or you are a distance away from the router or satelite your wireless client is associated with. But being too close can sometimes be a problem too.
Typically wireless AX clients will sync at up to 1200mpbs and ac clients will sync at up to 866mpbs (ie. 2x2 wireless, 2 receive and 2 transmit streams). If your wireless client has more than two streams (eg. some computers, but mobile devices, laptops, TVs etc. generally have 2x2 wireless) the rate will be higher.