@AndreMartins 

 

Hey

 

Im guessing you are running online speed tests?    For the record I find   FAST DOT COM   to be more accurate than   SPEEDTEST DOT NET   sorry have to write that like that avoid filter lol

 

However in answer to your question, it doesnt seem that un-usual if honest!     I was once told at a Huawei training course that 40-60% of the 'connection speed' is the expected real range for WiFi.   So far that has lived to be true in my experience.   I have 3x EAP245s and   fast dot com is reading around the 420mbps on a 1gb line (just ran the test a few times), that was on a mobile phone, laptop tad faster at 460mbps

 

Anyways..  I'm only guessing here but you are likely a 2x2 connection (866mbps) so roughly 50% of that is normal (433mbps), which you are not far off so it seems ok in my experience.   You could try moving away from channels 36-48   go into the 52 or 104 something like that and retry??    Channels 36-48 are quite busy in most occasions (neighbours), popping up a few channels may help!  

 

Personally if I drop to channel 36-48 the speed difference is noticeable, say 10-15% due to the air being less clear, not a lot in fairness but noticeable..

 

 

This online test is hosted on my network. It’s a docker. If I do a test from a computer and a cable I get very close to 1gbps. So, I think the test is a fair test for performance at my lan. I’ll try other channels to see if I see something different. My hypothesis is that it is not using 80mhz channels for some reason.

  @AndreMartins 

 

Honestly dont think 80mhz is your issue

 

The iPhone 11 has a 2x card, therefore if you had 2x on a 40mhz width it would top out at 400mbps (2x 200mbps).   On WiFi you never get anything close to the connection speed, this is purely theoretical speeds and real transfers will be a lot slower.

 

With that in mind, you would never get 400mbps on a 2x 40mhz link..  it would be 250 / 300 at best.   This alone indicates you are on a 80mhz link..

 

Try a different channel.  What i said earlier, the numbers you are getting are a tad low (50 to 100mbps perhaps) so a channel change might help but dont compare this to cable connections, you will just end up disappointed.

 

  @Tedd404 

 

That's the thing. In my old ASUS AC88U I could get around 800 or a little more. Now, with EAP245 it won't go over 400 and something. 
 

In both cases I was in front of the AP.  
 

Not sure what is happening 

 

thanks

  @AndreMartins 

 

Ah that makes more sense, simple answer is that you are using a different version of wireless

 

The EAP245 is an AC grade device (wifi5)  

The Asus is an AX device (wifi6)

 

The newer WiFi6 standard is quite a bit faster than wifi5, that will be your difference

 

You can try moving to a DFS channel (52+) as you should be able to get 500mbps on AC, any faster you will need to look at an EAP6xx series Access Point as these support WiFi6

  @Philbert 

 

No, this AC88U is an AC model. These are the specs

 

WiFi 5 (802.11ac) : up to 1734 Mbps
1024QAM (2.4GHz) : up to 1000 Mbps
1024QAM (5GHz) : up to 2167 Mbps

 

MIMO technology
2.4GHz 4x4
5GHz 4x4

  @AndreMartins 

 

According to the ASUS site this is an AX grade device..     below is the first line on their website

 

"The Asus RT-AX88U is the best choice for a higher end router. It features next generation Wi-Fi 6 (802.11ax) technology, and an impressive eight"

 

Thinking out loud here but.. Reading the specs it appears to be one of the early AX devices, not officially ratified as AX standard (hence still sold as AC) but does have AX capable hardware.   Thats not uncommon for device to do that prior to official releases of the new wifi standard (sometimes these where called AD), if you have had this for a few years its likely the case.   

 

The massive give away is that it saying 1024 QAM..   that is only available on WIFI6..    WiFi5 is 256 QAM and would explain the difference.

 

 

WiFi 5 (802.11ac) : up to 1734 Mbps
1024QAM (2.4GHz) : up to 1000 Mbps
1024QAM (5GHz) : up to 2167 Mbps

 

 

To test this if you connect to the ASUS and check what your connection speed is, not a speedtest but the "phones connection speed"  remembering your iPhone has 2 streams.

 

WiFI5 (AC) is 433mbps per steam so should connect at 866 mbps

WiFi6 (AX) is 1200mbps per stream so should be 1600+ mbps

 

Honestly, if you are getting 800mbps+ before on the ASUS it cant be WiFi5, its physically impossible for an 866mbps connection to offer anything close to that speed so some WiFi6 trickery is the only option, or else you have a flaw in your testing.