Upgraded Wifi Router but Slower 2.4 Ghz speed

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oblivion2004

May 9, 2018
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I Just upgraded from a TP-LINK TL-WDR3600 (because it kept loosing signal) to a TP-Link Archer AC1200. Everything about the modem works fine, and the download speeds on the 5.0 Ghz is slightly higher from the original modem (it went from an average of 85 Mb/s to 110Mb/s). However, the 2.4 Ghz frequency has decreased in bandwidth with the new modem (from an average of 79Mb/s down to 54 Mb/s). I logged into the original router and went through the settings and compared them to the new router and they seem to be the same as far as I can tell. Any help would be appreciated.

As a side note this is the second new router I have purchased, the first one was a TP-Link N300 (TC-W7960) which I returned because of the slower speeds, I simply thought that the router was slower than my original and returned it. Then I bought the TP-Link Archer AC1200 and I am experiencing the same problem.
 
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This is the mystery of wifi in a home environment. Routers that appear identical specs wise perform differently in different houses. This is why you see reviews for every router saying it has the best coverage ever or is a piece of garbage. The testing environment (ie the house) make more difference than some tiny differences between routers.

There is not a lot of things you can set. To get the maximum speed you want to use 40mhz wide channels. Many routers by default will drop to 20mhz if they detect other wifi on other channels......and there is always other wifi. When you run 40mhz you have really only 2 options the top part of the radio band or the bottom part. You would pick channel 1 or channel 11 but you could...
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kanewolf

kanewolf

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May 29, 2013
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It is possible that the newer routers have a lower output power. Many manufacturers have been forced to meet the government limitations that they SHOULD HAVE BEEN meeting before. But a 54Mb link sounds like it might be defaulting to a "G" rather than an "N" or "AC" ... If you don't have any "G" devices you might want to set the 2.4Ghz radios to N/AC only and exclude B/G .
 
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oblivion2004

May 9, 2018
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I have tried to put the router to only "N" and it did not improve the signal, but thank you for the response.
 
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bill001g

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Aug 9, 2012
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This is the mystery of wifi in a home environment. Routers that appear identical specs wise perform differently in different houses. This is why you see reviews for every router saying it has the best coverage ever or is a piece of garbage. The testing environment (ie the house) make more difference than some tiny differences between routers.

There is not a lot of things you can set. To get the maximum speed you want to use 40mhz wide channels. Many routers by default will drop to 20mhz if they detect other wifi on other channels......and there is always other wifi. When you run 40mhz you have really only 2 options the top part of the radio band or the bottom part. You would pick channel 1 or channel 11 but you could try others and hope to get lucky. The "best" radio frequencies to use will change constantly because it will change based on all your neighbors and their usage of wifi.

Your numbers are not all that bad. If you look at testing sites that test more common environments...rather than lab conditions set up to get some big number...you will find that few routers can get even close to 100mbps on 2.4g. Even on 5g using the fancy 4 antenna routers and cards they only get 250mbps.
 
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