Slow Wireless Connection

sparda1

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Dec 4, 2007
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Just today, my wireless speed seems to have been cut nearly in half while my wired connection remains stable. Everything was fine yesterday and I'm not sure what the problem is.

The WiFi adapter has the latest drivers installed. The latest driver on the their website says it was updated 2016/03/02, but the driver info once installed, says it's 2015/10/08, but the pre-installed driver is from 2016/03/04. I have tried using another USB port. I have also tried power-cycling both the modem and router as well as resetting the modem. I am also the only one in the area using these wireless channels.

Speedtest.net results:
Wired: 97Mbps DS/9.77Mbps US
Wireless: 56.7 MBPS DS/9.36Mbps US

Motherboard: MSI 970A-G46
Router: TP-Link N600 (Using DD-WRT v24-sp2 (03/25/13) std)
WiFi Adapter: ASUS USB-N13 300Mbps 11n
OS: Windows 10 x64

Any help would be much appreciated, thanks.


Edit: I'm trying to find my old wireless adapter to see if that preforms any differently.
 

sparda1

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I tried another PC upstairs and that is getting 16.85Mbps DS/6.8Mbps US, but it is further away from the router (My PC is right next to it). My phone is getting 40-45 Mbps DS/10.5 Mbps US. So I guess it's looking like a router issue then?
 

jetfighter545

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May 20, 2015
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I would say so. Is it an old router?
 

sparda1

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I would have to flash the router back to the stock TP-Link firmware before getting help from them since I am using custom DD-WRT firmware. If it doesn't go back to normal in a day or two, I'll flash back and contact them.

I did just try bumping the router's TX Power from 20dBm to 30dBm(which is my country's max level allowed by law) and I have gone from around 55Mbps to 86, much better, but still not as fast as I should be getting. I have always had the TX Power at 20dBm.
I'll try posting on the DD-WRT forums as well.