TL-WDR4900 Wireless speed issues

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TL-WDR4900 Wireless speed issues

This thread has been locked for further replies. You can start a new thread to share your ideas or ask questions.
TL-WDR4900 Wireless speed issues
TL-WDR4900 Wireless speed issues
2014-12-01 22:24:00
Region : Ireland

Model : TL-WDR4900

Hardware Version : V1

Firmware Version : 130304

ISP :
UPC

HI There

I am having very frustrating wireless speed issues on the 2.4GHz band. I have a wired download speed of 200Mbps and Upload of 20Mbps (wired connection is from same router
and tested on www.speedtest.net), when testing the wireless connection using speedtest.net i get a download speed of between 0.1Mpbs and 5-6Mpbs at best, however Upload
speed is between 10 - 15Mpbs ???

on the 5GHz band I get between 80 and 120 Mbps down and 18 - 20 Mbps upload, which is great for the devices which are able to connect to the 5GHz but not so much for the ones
that can't. I have recently purchased 2 Chromecast devices which are virtually unusable because of this issue which is particularly frustrating considering the wired speed I
receive, and while I accept there will always be a loss with wireless I think the speed I have outlined above is a lot lower than i should expect, also as the upload speed seems
unaffected.

any suggestions or help on what the issue might be would be greatly appreciated

Thanks
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#1
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7 Reply
Re:TL-WDR4900 Wireless speed issues
2014-12-02 09:52:54
For 2.4GHz network, did you try channel width 40MHz and secure the network with WPA2-PSK, AES?
How about signal strength for 2.4GHz Wi-Fi?
By the way, what's the firmware version?
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#2
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Re:TL-WDR4900 Wireless speed issues
2014-12-03 04:24:49

Ada wrote

For 2.4GHz network, did you try channel width 40MHz and secure the network with WPA2-PSK, AES?
How about signal strength for 2.4GHz Wi-Fi?
By the way, what's the firmware version?


Hi Ada
I have tried 40MHz and network is secured as above
Signal strength is between -30dBm & -20dBm
Firmware Version is 130304
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#3
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Re:TL-WDR4900 Wireless speed issues
2014-12-03 14:12:27
There is a newer firmware than yours. Give a try.
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#4
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Re:TL-WDR4900 Wireless speed issues
2014-12-03 19:50:36

Mavis wrote

There is a newer firmware than yours. Give a try.


Thanks Mavis

I will give it a try
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#5
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Re:TL-WDR4900 Wireless speed issues
2014-12-04 04:08:30
ok have upgraded Firmware to 3.14.7 Build 130424 Rel.72646n

made no difference at all

last test was :

Wired 193Mbps download; 16.6Mbps Upload

Wifi 2.4GHz 2.78Mbps download; 4.29Mbps Upload

Wifi 5GHz 111Mbps download; 20.00 Mbps Upload

Frustrating !!!!
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#6
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Re:TL-WDR4900 Wireless speed issues
2014-12-04 09:25:27
I have no any other suggestions...
Can you report it here for technical help from TP-LINK people?
http://www.tp-link.com/en/Support/contact/
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#7
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Re:TL-WDR4900 Wireless speed issues
2014-12-04 15:24:41
Hi,

Which WDR4900 do you have (with blue or green leds on the front face)?

Did you analyse the 2.4GHz signals overlaps (with inSSIDer or Acrylic Wifi software)?
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#8
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