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Looking for a solution to making my wifi reliability/range better (BE92u)

nirurin

New Around Here
I have a BT92u router. All in all im pretty happy with it. Maybe not the best router in the world but I got it for abiut 1/4 the cost of those routers and it has all the features i need (as far as I know).

I also have a single rp-ax58 extender. This worked to extend my main 5ghz network.

However I have two networks, the main 6/5/2.4 network and a "guest" network for iot devices thats just 2.4. The problem i found though is that the ax58 only seems to be able to extend a single network, so I have to choose between the two, and ideally I need to extend them both.

I could buy multiple more ax58s and picks and choose which networks they relay, which would work but seems inefficient.

So I thought id ask the question what the experts would recommend. I wondered if a more complex device (like an actual second router) set up in mesh mode would be able to extend both networks. However when I tried to search it I wasnt able to find any definitive answers, and its an expensive experiment if im wrong lol.

Appreciate any help!
 
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Do you have the AX58 set up in AiMesh mode? If so it should be able to do at least one guest WIFI along with the main 2.4 GHz and 5 GHz WIFIs. It has an Ethernet port that you can use to make throughput better.
 
Do you have the AX58 set up in AiMesh mode? If so it should be able to do at least one guest WIFI along with the main 2.4 GHz and 5 GHz WIFIs. It has an Ethernet port that you can use to make throughput better.

Yes its in ai mesh mode. Ethernet isnt an option as we cant run cables.
Weird that its meant to be able to extend both networks, I cant see anything about that in the asus webui and I know the doorbell at least was unable to connect to the iot network and so (at the time due to signal strength) I had to connect it to the main network. Ill go back to the webui and look again.
 
Look in the guest WIFI setup for an AiMesh option to enable the guest on the node.
 
Look in the guest WIFI setup for an AiMesh option to enable the guest on the node.

I think this is what pointed me to thinking the AX58 couldn't handle two networks at once, cos if you go into making a new network (its the only time I can see the option, you don't seem to be able to view this option on an existing guest network) it says the interface has reached its maximum.


Screenshot 2026-03-17 032437.png
 
I think this is what pointed me to thinking the AX58 couldn't handle two networks at once, cos if you go into making a new network (its the only time I can see the option, you don't seem to be able to view this option on an existing guest network) it says the interface has reached its maximum.


View attachment 70771
It’s not networks per se, but interfaces per band. See here for asus response on the numbers.


See here for a post (one of many), noting GNP Capable Routers i.e. supporting multiple interfaces.

 
RP-AX58 is AiMesh compatible Extender, doesn't have Guest Network Pro support, but can extend one Guest Network per band when using 5GHz (in order to maintain somewhat adequate performance) shared backhaul. I had one in my hands and it works as normal AiMesh node well. RT-BE92U doesn't have Guest Network Pro either, but it has similar Smart Home Master. There is no BT92u model.
 
RP-AX58 is AiMesh compatible Extender, doesn't have Guest Network Pro support, but can extend one Guest Network per band when using 5GHz (in order to maintain somewhat adequate performance) shared backhaul. I had one in my hands and it works as normal AiMesh node well. RT-BE92U doesn't have Guest Network Pro either, but it has similar Smart Home Master. There is no BT92u model.

Yeh sorry I meant Be92u.

Yeh the ax58 works fine as a node, but only for a single Network. Though it seems i can do two networks, if I have it do 5ghz for one Network and 2.4ghz for the second Network... I may test it later.

But I need to extend 5 and 2.4 for the main network and 2.4 for the guest. Which seems not to be possible?

So im not on the lookout for the cheapest option for an aimesh device that can extend both networks.
 
You have to be able to do 2.4/5GHz main network plus one 2.4/5GHz guest network.
 

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