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Recent content by user114514

  1. U

    MIMO and some history...

    You don't need MLO to get 1.7Gbps. in fact, even a 6 year old AX200 can get 1.7Gbps in a non-lab environment. real MLO can easily get over 3Gbps.
  2. U

    Why are AP transmit powers higher than device transmit powers? What is the design intent?

    Because of the Shannon-Hartley theorem. As long as BSSs don't overlap, feel free to increase transmit power to maximize DL speed within regulatory limits. In the US, 5GHz is large enough to accommodate three non-overlapping 160MHz BSSs or seven non-overlapping 80MHz BSSs. Modern STAs are...
  3. U

    Difficulties maintaining 160 MHz channel bandwidth

    AFAIK BCM4912/4916 devices rarely encounter these issues. You can try changing the control channel to 36-48 to see if it can still stay at 160MHz. Even ax86u typically stays at 160MHz when the control channel is within the DFS channels (52-64, 100-144).
  4. U

    Difficulties maintaining 160 MHz channel bandwidth

    Additionally, there is an extremely rare scenario that could also cause an unexpected exit from 160MHz: DFS radar misdetection. I'm not sure if anyone has actually encountered this. Generally, modern WiFi chips don't experience this because they typically have precise characteristics of radar...
  5. U

    Difficulties maintaining 160 MHz channel bandwidth

    These issues exist on all routers with Broadcom chipsets, but occur with higher probability on specific models like ax86u. I recommend all users disable TDCS to avoid such problems. The core idea behind TDCS is that 160MHz should only be used when necessary to improve performance and...
  6. U

    Difficulties maintaining 160 MHz channel bandwidth

    wl2_bw_switch_160 for tri-band models. The specific value depends on your 5GHz radio. For ax86u pro, just set wl1_bw_switch_160. TDCS is a software feature that doesn't require hardware support. wlx_bw_switch_160=0 just completely disables TDCS without any other side effects. To summarize the...
  7. U

    Difficulties maintaining 160 MHz channel bandwidth

    There's no need for pointless speculation, as these 160MHz issues aren't caused by DFS. The real problem is TDCS, and simply disabling it will fix the problems. I advise certain individuals to refrain from giving self-righteous, meaningless opinions without understanding the root cause, as this...
  8. U

    Difficulties maintaining 160 MHz channel bandwidth

    nvram set wl1_bw_switch_160=0 nvram set wl2_bw_switch_160=0 nvram commit
  9. U

    BE98 MLO and roaming issues

    https://rog.asus.com/us/networking/rog-rapture-gt-ax6000-eva-edition-model/ My previous answer was deleted by moderator. TDCS drops to 80MHz when there are no 160MHz devices in the BSS (including low-power states), and then reverts to 160MHz when a 160MHz device rejoins. This idiotic mechanism...
  10. U

    BE98 MLO and roaming issues

    You can disable Smart Connect and manually enter the same SSID for each band. Generally speaking, devices from the ax era generally have reasonable active roaming decisions and do not require active steering by AP. If none of your devices require 2.4 GHz, then same SSID for 5 GHz and 6 GHz is...
  11. U

    Not able to find wireless mode in BE92U

    Then it's not a problem. 6GHz will be inferior to 5GHz at longer distances due to lower transmit power and higher attenuation, especially for devices like iPhone 16 that don't support 320MHz, even at medium distances. that's the Shannon limit.
  12. U

    Not able to find wireless mode in BE92U

    You still haven't answered my question: iPhone 16 on 5GHz
  13. U

    BE98 MLO and roaming issues

    It should be noted that wifiman displays the DL RSSI, while the RSSI quoted by Smart Connect refers to the UL RSSI. Due to the 6GHz regulatory requirements that the transmit power of all STAs in the BSS must be at least 6dbm lower than that of the AP, as well as the TXBF capability (STAs...
  14. U

    Not able to find wireless mode in BE92U

    EMI from USB 3.0 operation does not affect 6GHz. if USB 3.0 is causing the problem, then you should observe that 6GHz should be significantly faster than 5GHz for the same bandwidth, not the other way around. But the distance factor you mention is a valid issue, since in most areas the txpower...
  15. U

    Not able to find wireless mode in BE92U

    You obviously don't know anything about the wireless stack mechanism under the UI either. These parameters are generic and are read directly by the wl driver. Just because Asus hides them in WebUI for specific models doesn't mean Broadcom will also remove these logics from the driver that are...
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