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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. 

Share Your Pet Story, Win Free Tapo Care. Smart Action 2.0 Explore and meet the next level home automation.
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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!

Share Your Pet Story, Win Free Tapo Care. Smart Action 2.0 Explore and meet the next level home automation.
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