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My ISP gives a speed of 30Mbps upload and download. I have hooked up the Ethernet cable directly to my laptop and I am getting the promised speed.

Now when I connect using the router (a TP-Link TL-WR740N), the speed drops to half or even lesser.

wifi connection speed

Here are the details of the router and its settings:

  • Firmware Version: 3.16.6 Build 130529 Rel.47286n
  • Hardware Version: WR740N v4 00000000
  • Wireless Radio: Enable
  • Channel: Auto (currently channel 11)
  • Mode: 11bgn mixed
  • Channel Width: Automatic
  • WDS Status: Disable
  • Security: WPA/WPA2 - Personal
  • Encryption: AES Beacon
  • Interval: 100 RTS
  • Threshold: 2346
  • Fragmentation Threshold: 2346
  • DTIM Interval: 1
  • WMM: Enabled
  • Short GI: Enabled

I have tried connection testing from both my mobile and laptop, but it's the same. Any clue on what is causing the performance issue?

0

You give a lot of specs about your router, but nothing about the devices connecting to it.

If the devices with which you connect are able to match highest connection protocol of you router then you should be able to attain the speed of the of the ISP.

Things to consider, the distance between your devices and the router and the connection protocol you are establishing between your devices and router.

Here is an article about 5 ways to fix slow 802.11n speed.

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  • Given the tests clearly shows devices aren't even reaching 802.11g speeds it's fairly obvious that protocol isn't relevant. – qasdfdsaq Aug 21 '15 at 16:43
  • I connect the same laptop at work which gives me more than 50mbps speed. So I am sure that there is nothing wrong at receiving end. I kept the laptop very close to the router while doing the speedtest. – Govind Kailas Aug 21 '15 at 16:58
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TP-Link TL-WR740N supports only 30mbps ISP speed as per the email from their support team. Consider replacing your router similar to http://www.tp-link.in/products/details/cat-9_TL-WR1043ND.html. Again this was recommended by their support team.

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