having problems with my 2,4ghz channel

[Tottenstein]

since recently i updated my networking to 1000/1000 and by doing that we got a new router 

 

we plugged in that router and set up the 5ghz and 2.4ghz channels the 5ghz channel work perfectly fine and we are getting roughly about 500Mbps/500Mbps but on the 2.4ghz channel we get around 50Mbps/50Mbps for a minute and then after that we get anything around 10Mbps/10Mbps to 0Mbps/0Mbps and we have been talking to the internet provider and we have even gotten replacements for the router but all of them has had the exact same problems they have tried remote controlling the router and tried different things to fix it but non of them have been successful. 

 

the router we have should be a pretty good router the (Technicolor tg799vac xtream) 

i live in an apartment if that helps.

 

i have tried everything but all this i do either dont work or work for around maybe maximum a day.

the things ive tried are running the router on stock settings, changing the channels of the 2.4ghz line and resetting the router (fixes the problem temporally), having the 2,4ghz and 5ghz lines working together, 

 

 

i dont know what is the cause of this but if anyone knows what can be the problem let me know.

id like to not use the 2.4ghz line but i sadly have devices that still use only that.

[agent_x007]

Firmware bug (build-in router software, try updating it to newest version)
Receiver problem (problems on stability side, may mean too weak signal strength, coding issue, or interference from somewhere).
Transmitter issue (some function not working correctly [like performance enhance stuff like QoS]).

What stuff is connected to it ?
(how many devices are there, what type [TV/PC/laptop/tablet/camera/etc.] and what speed [801.11n/801.11ac]) 

How bad is WiFi congestion ?
(how many 2,4GHz WiFi's are around, and what settings they are using - WiFi Analyzer app on Android phone should help with this) 

[Tottenstein]

3 minutes ago, agent_x007 said:

Firmware bug (build-in router software, try updating it to newest version)
Receiver problem (problems on stability side, may mean too weak signal strenght, coding issue, or interference from somewhere).
Transmitter issue (some function not working correctly [like performance enhance stuff like QoS]).

What stuff is connected to it ?
(how many devices are there, what type and what speed) 

How bad is WiFi congestion ?
(how many 2,4GHz WiFi's are around, and what settings they are using - WiFi Analyzer app on Android phone should help with this) 

it is a specific software version to the provider but i am up to date on the update side. 

 

i was thinking it was some kind of interference to but before we got that router we where using a router with only 2,4ghz and that one didnt have any problems with like 20 devices so i dont see why it would be an issue now 

 

there are no problems with the range of the connection its just that its really bad no matter range. we have had about 3 units with all of them having the same issue 

 

currently there are about 3-5 devices connected. 

 

i dont own an android but the router has an built in analyzer our wifi is the (Walfenline 24ghz)

[agent_x007]

Try switching channel from "1" to "3" or "4".

[Tottenstein]

11 minutes ago, agent_x007 said:

Try switching channel from "1" to "3" or "4".

i have tried before and it doesn't make much of a difference 

 

[agent_x007]

Well, if that doesn't help and you "tried eveything" - plug another router to current one, and switch off 2,4GHz on this one.
See how it goes.

[Alex Atkin UK]

11 hours ago, agent_x007 said:

Try switching channel from "1" to "3" or "4".

Its generally a bad idea to use any channel other than 1, 6 and 11.

As clearly shown above, that inconsiderate so and so on channel 9 is interfering with 6 and 11 leaving 1 as the only sensible option.

Granted, they might not actually be broadcasting anything so 6 or 11 may be fine, but when they do its potentially going to cause issues (although its quite a weak signal so hopefully is minimal).

[agent_x007]

I use channel 13 + 9 (40MHz width), and it works fine.
Why others are bad idea ?

^FYI : My 2,4GHz environment.

[Donut417]

4 hours ago, agent_x007 said:

I use channel 13 + 9 (40MHz width), and it works fine.
Why others are bad idea ?

^FYI : My 2,4GHz environment.

Because 1,6 and 11 don’t overlap with each other. So they are considered the best channels. 
 

Also in a lot of areas channel 13 is not available. For instance in the US, only channels 1-11 are legal to use.