T4U v3 Limited at 250 mbps

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T4U v3 Limited at 250 mbps

This thread has been locked for further replies. You can start a new thread to share your ideas or ask questions.
T4U v3 Limited at 250 mbps
T4U v3 Limited at 250 mbps
2022-05-07 07:07:10 - last edited 2022-05-12 05:46:34
Model: Adapter  
Hardware Version: V3
Firmware Version:

Hey everyone! I have a problem with my t4u v3 adaptor. I have it in my usb 3.0 slot but the speed is limited to 250mbps and when i install the tp link driver it works perfectly in terms of speed but it keeps disconnecting and reconnecting so to fix that i have to plug it in the usb 2.0 slot but it goes back to the microsoft driver (limited to 250mbps). Can someone help me please?

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Re:T4U v3 Limited at 250 mbps-Solution
2022-05-11 05:59:08 - last edited 2022-05-12 05:46:34

  @Solla-topee Somehow now it works even with the microsoft driver(400Mbps!). Thank you for trying to help! Btw i have used your routers for 7+ years i have the ax50 at the moment and i love it.

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Re:T4U v3 Limited at 250 mbps
2022-05-09 12:18:28 - last edited 2022-05-09 12:18:37

  @CoolBunny 

If adapter does not work stably, you could try the driver here

Realtek Chipset Driver for T4U(Plus)/T4UH(Win7/Win10)

You could try some tips in FAQ here like change different channel & channel width on wifi router.

How to improve the speed of TP-Link wireless adapters?

Can I know did you test 2.4Ghz or 5Ghz speed, what is the associated speed of the Wi-Fi? 

If you set router 5Ghz channel width to 80Mhz, the ideal link speed should be around 866Mbps,and real speed around 40%-60% of link speed but limited by router real speed. 

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Re:T4U v3 Limited at 250 mbps-Solution
2022-05-11 05:59:08 - last edited 2022-05-12 05:46:34

  @Solla-topee Somehow now it works even with the microsoft driver(400Mbps!). Thank you for trying to help! Btw i have used your routers for 7+ years i have the ax50 at the moment and i love it.

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Re:T4U v3 Limited at 250 mbps
2022-05-12 05:47:23

  @CoolBunny  Glad to know Windows driver helps with your case. Thank you for update the solution here!

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