D-Link Forums
D-Link Wireless Routers for Home and Small Business => DIR-882 => Topic started by: Nezmeriz on April 22, 2020, 03:47:21 PM
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Hello, DIR-882 user here. DIR-882 HW:A1 FW:1.20 Location: EUROPE
I have 1gbit internet speed from ISP, over LAN I am getting around 800-900 Mbit speed however for what ever reason via 5G wifi I am getting just 250 Mbit no more no less which is weird, QoS is disabled, factory reset done, smart connect disabled, I have tried I think everything to setup on 5G wifi settings, AC only mode, channels (36,40,44,48), channel width all options
I have tried couple of devices with direct visibility to wifi router 1-2m no walls, main PC with intel AC 9560, Ipad 7th gen, work notebook with AC wifi and every time same result ( link speed shown in windows 866/866 Mbit).
Can please anybody help me? Should I try to reflesh firmware or return the device as faulty?
Many thanks in advance.
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Factory reset and setup from scratch. This time leave Smart Connect enabled...
What does your wifi adapter see when connect with SC enabled.
What are the speed results then?
Use Ooklas installable speed test app for Windows or your mobile devices.
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Here is my result after factory reset and setup from scratch
Smart Connect enabled, My adapter see one network
https://i.imgur.com/F74cht4.jpg (https://i.imgur.com/F74cht4.jpg)
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What happens if you disable SC and the 2.4Ghz radio and enable 20+40+80+80Mhz channel width on 5Ghz?
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@Nezmeriz
Could you post a screenshot of your QoS configuration page ; I've had a similar issue after I've wanted to test something there and even if it was in theory disabled it still would limit my throughput on wifi . In my case I couldn't remove devices from their priority tiers or change the default Upload/download values and as I've said even though the QoS itself was disabled it still limited my speed .
Only fix I found was temporarily updating to 1.30 beta changing the settings in that version and going back to 1.20 stable afterwards .
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Hello again,
So I have disabled SC, 2.4 Ghz and left only 5Ghz one with 20+40+80+80Mhz channel width - unfortunately no change same speed from 200-250 Mbit (also tried couple of combinations channel, channel width and AC only mode and so on)
also here is a screen from my QoS engine: https://i.imgur.com/x6copYe.jpg (https://i.imgur.com/x6copYe.jpg)
Should I try that 1.30 US firmware even I am located in Europe?
Thank you all for your help and ideas.
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Sounds like you are not locking in at 80Mhz. Your ipad should be HT80 and support MuMimo. With a WiFi scanner do you see traffic in 5GHz bands? WiFi is pretty sensitive to interference, especially at 80/160MHz since it tries to use a big chunk of bandwidth. 250Mbps sounds like 40MHz.
How many devices are connected at 5GHz?
Are there applications that are not performing well? Are you having any issues with connectivity?
The speed test is not super accurate. It tests speeds from the router to the server the speedtest application chooses. Do not use QoS and disable smart connect for best results. But note environment plays a huge part of wifi speeds.
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@GreenBay42
I have checked via Wifiman app and so far I am the only one around with 5G router :-) and it shows 80Mhz channel width ( pls see screens ). Also only one device is connected to 5G when testing and I am standing right in the front of wifi router.
Result from wifiman: https://i.imgur.com/nwiifTz.jpg (https://i.imgur.com/nwiifTz.jpg)
https://i.imgur.com/TMDeuSC.jpg (https://i.imgur.com/TMDeuSC.jpg)
I understand that Speedtest.net is not always accurate however I do have around 900 Mbit via LAN connection when checking via Speedtest.net
QoS engine is disabled, Smart Connect disabled, router is after fresh factory reset and setup from scratch
No I do not have any kind of issues with connectivity or instability, only the speed is low compared to what it should be...I was expecting at least 500mbit over 5G wifi and 80Mhz width with 2x2 MIMO devices.
Thanks
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I wish my 5Ghz was that clean. I have no less than 7 WiFi networks showing up at any given time in my neighborhood.
You definitely should be getting a lot better speeds. Not sure if it is a WLAN to WAN issue with the router or just the WiFi portion having issues. This router tested very high with LAN to WAN bandwidth/speed but seems like wifi is having an issue.
Wish there was an easy way to test the local WiFi speed with 2 devices connected 80/160 mu-mimo to see if it is wifi or wifi going through the router to WAN. If you have another router you could connect it to your modem and just connect dlink router to LAN ports (turn off dhcp and upnp) and see if speeds increase.
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I can try to test mine out if needed. I have a NetGear R7800 that supports 1733Mbs in wireless bridge mode. I believe I had connected this router once to the 882, been a while though. I have ASUS GT-AX11000 as well I can try out in bridge mode.
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The EU and US are the same hardware ; it's just that there are different regulation regarding max Wifi power the device can output and some differences regarding which bands are available but you should be able to flash the router with the US beta without issue ( at least I could and didn't encountered any rel showstoppers )
Be warned that they did broke the HTTPS encryption somehow and the HTTPS portal is no longer accessible ; you can only manage the router via plain HTTP . For me it was the solution to bypass the broken QoS implementation which once activated cannot be disabled ( it says it's disabled but the same limitations are still in effect and for a 500/250 UP/Down Mb/s connection it creates a bottleneck of about 200-230 Mb/s so less than half ) .
I did factory reset without effect so the only two remaining options were upgrade to 1.30 US beta or a TFTP image recovery rewrite of 1.20 EU ; Since in the previous beta stages I did used US images without issue ( back when 1.11 had many more issues ) the choice was simple . I am however back on the 1.2 Eu software as the lack of https made me think maybe other things were not OK but rather I just didn't encounter them yet . You should be able to upgrade , test the throughput and downgrade thereafter without issue .
As for my experience I'm getting ~410 Mb/s on my S9 and 420 Mb/s on my laptop with Intel 7260AC ( no 160 MHz compatible clients to test with unformtunately)
https://imgur.com/a/WjVdQTR (https://imgur.com/a/WjVdQTR)
You should however try to eliminate the internet/WAN link out of the equation ; if you have 2 laptops or another desktop apart from the laptop set up a network share on one of them , connect the one with the share via ethernet and do a copy test from one device to the other . In my case when not doing routing duties which also take some CPU cycles the pure LAN transfers from my NAS to my laptop exceed 500 Mb/s
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I have just tried 1.30 US beta firmware, disabled QoS again tried different setups and with no change in speed, I have refleshed back to latest EU 1.20 firmware and same results no more than 250Mbit speed :(((
Last thing what I will try tommorow I will ask my friend who has DIR-878 to lend it to me and will try what speeds I will get over 5G as he has 500Mbit internet from ISP and getting 490 Mbit via his 5G network
So thank you all for your help and patience, I will probably either RMA the router or sell it or I don't know just smash it to the ground.
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Here's my speed results with a ASUS GT-AX11000 wireless bridge mode connected to the DIR-882 v1.30 FW. SC and DFS enabled. DNS Relay disabled. Low power set due to other wifi signals near by.
(https://i.postimg.cc/Hkhf5G2T/DIR882-With-ASUSGTAX11000-Bridge-Speed-Reults.png) (https://postimages.org/)
(https://i.postimg.cc/3w0zFLSm/DIR882-With-ASUSGTAX11000-Bridge-Status.png) (https://postimages.org/)
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"main PC with intel AC 9560, Ipad 7th gen, work notebook with AC wifi"
Ensure the drivers are up to date on the Intel adapter.
What is the mfr and model# of the adapter in the work notebook?
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Hello, DIR-882 user here. DIR-882 HW:A1 FW:1.20 Location: EUROPE
I have 1gbit internet speed from ISP, over LAN I am getting around 800-900 Mbit speed however for what ever reason via 5G wifi I am getting just 250 Mbit no more no less which is weird, QoS is disabled, factory reset done, smart connect disabled, I have tried I think everything to setup on 5G wifi settings, AC only mode, channels (36,40,44,48), channel width all options
I have tried couple of devices with direct visibility to wifi router 1-2m no walls, main PC with intel AC 9560, Ipad 7th gen, work notebook with AC wifi and every time same result ( link speed shown in windows 866/866 Mbit).
Can please anybody help me? Should I try to reflesh firmware or return the device as faulty?
Many thanks in advance.
Did you try Channels 149-165, for me I got better speeds using the upper band channels.
Also try the speed test without other devices connected to the Wifi Network.
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Hello again everyone.
What a weird finding. Today I took my DIR-882 to a friend who has same ISP and same optical converter but he has 500Mbit connection. I have tried speedtest over 5G wifi at his place and got 480Mbit - did not change absolutely nothing at settings just connected the lan cable from optical converter to WAN port.
So I decided to lend his router DIR-878 and connected it at my place where I have same ISP same OC but has 1000Mbit connection and BAM same s***ty speed 240Mbit max over 5G wifi.
Oh gosh I have no idea what is going on, I have tried with my router really everything, change of cables, settings, firmware tried also change position of the router in the house to be sure that in that room there is no interference, but nothing
So my router at friends place is behaving as it should also his router is behaving the same ( both routers 470-480 Mbit over 5G )
But at my place both routers 240mbit max when ISP is providing 1000Mbit
My question is: is it somehow possible when ISP is feeding the router with high speed internet then it behaves faulty?
Or are there any settings in the router I should check which can cause such slow speed over 5G network? I am pretty sure now that it has nothing to do with 5G wifi settings as it works fine at his place.
P.S.: someone here at the forum mentioned to try higher channel 149-165 but I do not have that option in channel settings, but the DIR-878 of my friend has that option which is also weird right?
Thank you all for help and reading
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What is the mfr and model# of the adapter in the work notebook?
If your still test with this same notebook adapter on the 882 and the 878 and show same bad speeds, then I would presume this adapter is the cause.
Again I have tested my 882 and its reaching near 900Mpbs with a wireless bridge.
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@FurryNutz
I was not testing the speed with the notebook, maybe just once. So far I was testing mostly with my main PC with Intel-AC 9560
and to have accurate results today I have tested only with my phone Xiaomi Pocophone F1. And the results as my previous post at his place 470Mbit but at my place both routers 230-240mbit no more
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Well if the 878 and 882 test out well at your friends place, this rules out the 882 router. The issue is up stream with the ISP or downstream with your devices your using.
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Hello again,
Today I have tried local network transfer of big file to Ipad via my main PC connected to LAN and Ipad 7th gen connected to my 5G network and results are as expected: max speed 550Mbit or 68MB/s so where the hell is the problem? Should I RMA the router as it seems there is some kind of bug/bottleneck when 1Gbit internet connection from ISP is enabled?
When I am "feeding" the router with 500Mbit internet connection same ISP the router behaves as it should Wifi 5G speeds aroud 470Mbit
the moment I "feed" the router with 1000Mbit internet connection same ISP big problem Wifi 5G speeds aroud 230-240 Mbit :(
Screenshot:
(https://i.imgur.com/sVbfFej.jpg)
Thanks for help.
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Well if the 878 and 882 test out well at your friends place, this rules out the 882 router. The issue is up stream with the ISP or downstream with your devices your using.
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@FurryNutz
Sorry I just don't understand your statement.
I have ruled out the problem with ISP as DIR-882 is routing via LAN to my main PC normal speeds over 900Mbit and also I have ruled out my devices as in my latest post where you can see that my PC is sending via DIR-882 via 5G wifi network to Ipad file with speed over 550Mbit.
The only problem is when testing internet speed via DIR-882, DIR-878 wifi 5G where speed is HARD limited to 230Mbit download (for no reason) when connected to ISP with 1Gbit internet speed.
When both routers are connected to same ISP with 500Mbit internet speed, both routers behave normal no HARD limit over 5G wifi - download speeds 460Mbit
So it seems these two particular routers are unable to process 1Gbit internet speed and send it via 5G wifi - HARD limit, BUG or I don't know for what reason it does not work normally.
Today Iam going to try my device at another place where same ISP and also 1Gbit internet speed just out of curiosity and also I am going to buy another dual band fast router but another manufacturer then D-link and will see if behaves normally or same as D-link - then I will be 100% sure what is the issue and will let you know as this is really strange.
Thanks
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Have you tried Disabling these:
1) DNS Relay
2) IPV4 Multicast Streams
3) IPV6 Multicast Streams
Also try,
1) WAN port speed set to 1000 mbps
2) IPV6 to local connectivity only.
Disable everything under Firewall.
Also if possible try changing the channel to 149. Works well on DIR-882.
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The problem is following your location, not the routers. You tested 2 routers at another location and they got the speeds you want. When you took both routers to your location, the speeds dropped. It is not the router. It is something with your ISP connection and/or modem. Do you and the other location have the same modem? Have you tried resetting the modem or simple reboot? Did you test the same wireless clients at the other location?
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@sachb
Tried every single item you mentioned in your post except the try channel 149 as I can choose only 36,40,44,48. RESULT is the very same bad speed via 5G wifi so no change - regarding the 149 channel why don't I have it in the router selection list? Firmware? Location?
@GreenBay42
If you can please reread my previous posts for more details but I will try to sumarize all info here
My location: same ISP, same modem, 1Gbit connection
My router DIR-882 is working properly when sending big file from PC (LAN) to Ipad (5G WiFi) - speeds around 550Mbit - SO 5G WiFi is working correctly
My router DIR-882 is working properly when checking internet speed via SPEEDTEST main PC (LAN) - 900> Mbit - so no problem with modem or ISP
My router DIR-882 does not work properly when checking internet speed via SPEEDTEST via any device (Ipad 7th gen, pocophone f1, Iphone 8 Plus, main PC Intel ac wifi 9560) on 5G Wifi every time same exact result 230Mbit no more no less....
My friends location: same ISP, same modem, but 500Mbit connection
My router DIR-882 is working properly when sending big file from PC (LAN) to Ipad (5G WiFi) - speeds around 550Mbit - SO 5G WiFi is working correctly
My router DIR-882 is working properly when checking internet speed via SPEEDTEST via any device (Ipad 7th gen, pocophone f1, Iphone 8 Plus) on 5G Wifi every time around 470Mbit so all OK.
so from this it looks like problem when internet speed from ISP is 1000mbit then WAN to Wifi is bugged as it hard lock internet speed checked via Speedtest to 230Mbit no more no less every single time I try test.
So ISP modem is OK as WAN to LAN on DIR-882 results 900Mbit, yes both locations have same modem/optical converter, yes tried couple of times to reset the modem / optical converter and lastly yes tried all the time same wireless clients.
I am starting to lose my mind.
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What are the connection rates you are seeing with your wireless adapter connected to 2.4Ghz and 5Ghz. SC disabled?
One test you can try is to find another router, same model or something different that has similar specs to the 882 and test it out at your location.
From my testing, at least with my 882, WAN to WLAN is working on a 1Gb ISP service:
http://forums.dlink.com/index.php?topic=75541.msg306625#msg306625 (http://forums.dlink.com/index.php?topic=75541.msg306625#msg306625)
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Thanks for the summary. That helps after reading the entire thread at 4:30am not quite awake :)
That is very strange and does not make sense. I am not sure how the router can slow your wifi speed down at your location when Internet is ok but works in another location.
You mentioned you tested a 878 with same results. The 878 and 882 are same exact chipset so it would make sense the same thing is happening. If you know someone with a different brand or family router to test. It has to be some weird quirk with the router and probably the wireless bands being used.
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What is the Mfr and model# of the ISP modem or ONT/Fiber unit the DIR router is connected too?
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@sachb
Tried every single item you mentioned in your post except the try channel 149 as I can choose only 36,40,44,48. RESULT is the very same bad speed via 5G wifi so no change - regarding the 149 channel why don't I have it in the router selection list? Firmware? Location?
It might be possible that your environment could be crowded, can you check using the wifi analyzer app if your environment is crowded? Also did you try Installing latest Firmware from the US website to see if it unlocks channel 149 and above?
I had the issue using the lower band, and I resolved the issue using the upper band channels. I guess D-link is very sensitive to crowded environment.
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Well if the 878 and 882 test out well at your friends place, this rules out the 882 router. The issue is up stream with the ISP or downstream with your devices your using.
I've tested it, and seem to be facing the same issue, the issue is definately with there but occurs only if it finds an interference. Probably to do with 5 ghz channels around or other interference.
But since OP mentioned that there are no channels around him, and I'm thinking it could be something to do with other interference. Can a Mobile tower or say Signal booster for mobile towers cause this issue?
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Hello again everyone.
What a weird finding. Today I took my DIR-882 to a friend who has same ISP and same optical converter but he has 500Mbit connection. I have tried speedtest over 5G wifi at his place and got 480Mbit - did not change absolutely nothing at settings just connected the lan cable from optical converter to WAN port.
So I decided to lend his router DIR-878 and connected it at my place where I have same ISP same OC but has 1000Mbit connection and BAM same s***ty speed 240Mbit max over 5G wifi.
Oh gosh I have no idea what is going on, I have tried with my router really everything, change of cables, settings, firmware tried also change position of the router in the house to be sure that in that room there is no interference, but nothing
So my router at friends place is behaving as it should also his router is behaving the same ( both routers 470-480 Mbit over 5G )
But at my place both routers 240mbit max when ISP is providing 1000Mbit
My question is: is it somehow possible when ISP is feeding the router with high speed internet then it behaves faulty?
Or are there any settings in the router I should check which can cause such slow speed over 5G network? I am pretty sure now that it has nothing to do with 5G wifi settings as it works fine at his place.
P.S.: someone here at the forum mentioned to try higher channel 149-165 but I do not have that option in channel settings, but the DIR-878 of my friend has that option which is also weird right?
Thank you all for help and reading
Can you borrow your friend's router (D-link DIR 878) but try channel 149 at your place this time? It's weird that your router has channels 149-165 hidden, they're not even DFS channels, just the channels with more power.
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Some EU regions don't support DFS channels. Possible don't support the higher 149 upwards channels as well.
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Here's my speed results with a ASUS GT-AX11000 wireless bridge mode connected to the DIR-882 v1.30 FW. SC and DFS enabled. DNS Relay disabled. Low power set due to other wifi signals near by.
(https://i.postimg.cc/Hkhf5G2T/DIR882-With-ASUSGTAX11000-Bridge-Speed-Reults.png) (https://postimages.org/)
(https://i.postimg.cc/3w0zFLSm/DIR882-With-ASUSGTAX11000-Bridge-Status.png) (https://postimages.org/)
wow I"d love to get these wireless speeds out of my DIR 882. I seem to top out around 300. I have smart connect and dns relay disabled. what is DFS and where do i find it?
/edit i'm in canada and i've performed a factory reset
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What FW version are you using?
I believe I had smart connect enabled when I did this test for mine.
DFS channels are a additional set of channels that, if present in FW, can be used on 5ghz. However, some router mfrs don't include this to allow users to manually change channels here. May not be supported on some wifi chip sets so some router modes may be limited by this. If you don't see this in the channel selection under 5Ghz if smart connect is disabled in the channel listing, 56 thru 121, then it's not available in your region.
Also some 5Ghz AC class devices max out at around 400-500Mpbs so this is another factor to consider. My iphone 6sP maxes out at around 400Mpbs...
wow I"d love to get these wireless speeds out of my DIR 882. I seem to top out around 300. I have smart connect and dns relay disabled. what is DFS and where do i find it?
/edit i'm in canada and i've performed a factory reset
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What FW version are you using?
I believe I had smart connect enabled when I did this test for mine.
DFS channels are a additional set of channels that, if present in FW, can be used on 5ghz. However, some router mfrs don't include this to allow users to manually change channels here. May not be supported on some wifi chip sets so some router modes may be limited by this. If you don't see this in the channel selection under 5Ghz if smart connect is disabled in the channel listing, 56 thru 121, then it's not available in your region.
Also some 5Ghz AC class devices max out at around 400-500Mpbs so this is another factor to consider. My iphone 6sP maxes out at around 400Mpbs...
i'm on 1.30. i'll try enabling smart connect - for some reason i just dont trust it but we'll see how it goes!
Yeah I dont see anything labelled DFS though I can pick channels
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What channels do you see when smart connect is disabled on 5Ghz?
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What FW version are you using?
I believe I had smart connect enabled when I did this test for mine.
DFS channels are a additional set of channels that, if present in FW, can be used on 5ghz. However, some router mfrs don't include this to allow users to manually change channels here. May not be supported on some wifi chip sets so some router modes may be limited by this. If you don't see this in the channel selection under 5Ghz if smart connect is disabled in the channel listing, 56 thru 121, then it's not available in your region.
Also some 5Ghz AC class devices max out at around 400-500Mpbs so this is another factor to consider. My iphone 6sP maxes out at around 400Mpbs...
i'm on 1.30. i'll try enabling smart connect - for some reason i just dont trust it but we'll see how it goes!
Yeah I dont see anything labelled DFS though I can pick channels
Well that's the issue ; DFS channels are only available if you select the AUTO channel since they interfere with radar close to airports and if the router detects a radar signal it must vacate the frequency ; that is possible only with auto as with manual selection the channel would be "set in stone" .
2nd thing : the images posted with 1700 Mb/s link/PHY rate are only achieved with clients witch have support for 160 MHz wide channels . These are very limited and include a few AX compatible routers and Intel AC9260 / AX200 wifi cards . Even most wifi6 compatible phones do not support the 160 MHz channels (I think some Huawei flagships do )
What client do you have connected to the router that it tops out @ ~300 Mb/s (what PHY/Link rate does it connect to te router as if it's a 1x1 class client with 433Mb/s link rate that throughput is normal ) as the quality of client is also of high importance ; with intel AC7260 equipped laptops and Samsung S9/S20 ( all 2x2 MIMO compatible clients 867 Mb/s PHY rate ) i'm getting upwards of 420 Mb/s in internet speedtests ( routed traffic ) and with just LAN traffic between my NAS and my notebook I'm seeing 500+ Mb/s throughput ( 60+ MB/s ) all tests of course done in the same room as 5GHz is more susceptible to attenuation than 2,4 GHz .
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What channels do you see when smart connect is disabled on 5Ghz?
36, 40, 44, 48, 149, 153, 157, 161, 165
this stuff goes over my head quick but i think i found answers to the other post too
i have a lenovo t560 laptop with intel dual band wireless-ac 8260. windows 10 says i'm connnected to 5ghz on channel 157. link speed is 866/866
speed test i just ran with speedtest.net win10 app - it peaked at just over 300Mbps before slowing down and finishing at 242Mbps.
Its more or less like this for my Google Pixel 2 XL and Samsung Galaxy Tab S5e. I tested an iPhone SE (the new one) and that one can do over 500Mbps so i'm not sure whats going on
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1st . Never use Smart Connect ; it doesn't do band steering of clients well and the performance penalty is too great
2nd. The available channels for manual selection is correct ; between channel 49 and 149 is the range of DFS channels which the router can only choose by itself to use in auto mode ( and free those channels if there is a Radar using that particular channel ) .
https://en.wikipedia.org/wiki/List_of_WLAN_channels#5_GHz_or_5.9_GHz_(802.11a/h/j/n/ac/ax) (https://en.wikipedia.org/wiki/List_of_WLAN_channels#5_GHz_or_5.9_GHz_(802.11a/h/j/n/ac/ax))
You can only intruct the router that it may choose to use the DFS channels after selecting the Auto option as here https://imgur.com/E1CB6zk (https://imgur.com/E1CB6zk)
(https://i.imgur.com/E1CB6zk.jpg).
(https://i.imgur.com/yYke2dS.jpg)
The clients themselves seem to/should be capable of 400 Mb/s throughput ; for the laptop you might try using Intel's ProSet wifi driers as opposed to those from Lenovo ( Lenovo T series owner here also and I've always had better performance with them) .
I assume that via a wired connection you're getting better results ; I'm just asking to eliminate the ISP as a reason for the results .
Here is a speedtest (contract is 500/250 Mb/s Down/Up and wired speed are true to contract)
(https://i.imgur.com/W2Uxkks.jpg)
and here is just switched throughput ( NAS > Laptop)
(https://i.imgur.com/cvrFkbf.jpg)
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Thanks for your reply!
I have gigabit internet and wired I see roughly 930 Mbps down consistently so I'm happy with that.
I'll try the other drivers on my laptop thanks for that suggestion.
As for smart connect, it's really that bad? I find it convenient but I don't want to have wireless speeds suffer because of it. I can't seem to find definitive information on the internet other than anecdotal evidence from some users. Some claim it's good, some claim bad.
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Regarding the penalty from Smart Connect I remember there was a performance hit but I just don't remember how much it was ; I stopped using it mostly because the band steering algorithms weren't very good so my 5GHz capable device would be on the 2,4 GHz band even though they had good 5GHz coverage . You could try disabling it for testing purposes and see if that does anything .
One more thing about the performance of the Intel Wifi ; with my AC7260 card I'm getting a considerable performance hit due to the "Microsoft WiFi Direct Virtual Adapter" which are created for use in wifi direct cases and also for Miracast/Wifi Display purposes I think ; since I don't use any of those functions disabling the virtual interfaces to gain throughput was a no-brainer for my use case .
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I believe my speeds results I took earlier were with smart connect enabled.