@spiderman32 

1. to begin with, why do you need such expensive wifi7 routers

for the price of similar devices, business access points omada are already being considered

https://www.omadanetworks.com/us/business-networking/all-omada/

2. Access points must be connected by cable. This is the key to stable and high-quality operation of the wireless network.

3. In order to understand the exact number of access points, you need to know the building plan. area.

but as a rule it is done like this: one point - one floor (in case one point can really cover one floor with the 5ghz range

  @Godlike66 

Thanks..   for my house it is difficult to connect the mesh with wire.  

  @spiderman32 

Hi,

I'm not questioning your choice of router as thats down to yourself but I'm trying to understand the need for so many of them, 

I could understand if you have solid concrete floors between each level as the signal qualities would definitely take a big hit. 

Most of the routers are or have easymesh implemented now. 

I have a multi story house with thick internal solid brick walls, 

Currently I'm using in my property 3x Ax72 routers, 

2 inside my house and one down the bottom of my garden in my outbuilding. 

The 2 routers i have inside my house are more than capable of providing full solid stable signal and some ( down my street ) even when I have the transmission power turned down to low and i have my routers on the ground floor and one at the very top 2nd floor. 

Are you sure you need 4 routers/AP as to me that sounds a bit excessive unless as I said you live in a property with solid concrete floors between each floor or you have a very large property 

  @Basboi85 

Thanks for your reply..  I am not sure about the coverage of newer products.  I am currently using Linksys triband wifi 5 and have to use 4 of these.

  @Joseph-TP 

Thanks..

so which is better ? Deco or ARcher for mostly wifi connections and mesh system.

is BE25 better than BE230?

how about 2 units of BE65 and 2 units of BE25 for 4 levels house?