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Featured Broadcom launches new Wi-Fi 6 802.11ax chips aimed at repeaters and Mesh nodes

Discussion in 'General Wireless Discussion' started by Balance, Oct 23, 2018.

  1. Balance

    Balance Occasional Visitor

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    [​IMG]
    Broadcom introduced two news Wi-Fi 6 SoC's aimed mainly at repeaters and Mesh nodes. The BCM6752 contains a triple-core CPU, 2x2 802.11ax radio and dual gigabit ethernet ports in a single package, while the BCM6755 had a quad-core CPU, two 2x2 802.11ax radio's and a single gigabit ethernet port. Both can be combined with an additional BCM43684 4x4 802.11ax radio. Broadcom is working with Early Access Partners on extenders designs based on BCM675X.

    Press release
    BCM6752 Product information
    BCM6755 Product information
     
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  3. Balance

    Balance Occasional Visitor

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    This could be very interesting for a better version of the Asus RT-AX92U. Right now this unit it based on the IPQ4019 and contains 3 radio's:
    • 2,4 GHz 2x2 MIMO 802.11n (400 Mb/s)
    • 5 GHz 2x2 MIMO 802.11ac (867 Mb/s)
    • 5 GHz 4x4 MIMO 802.11ax (4804 Mb/s)
    It would be much more interesting if it contained three 802.11ax radio's, with a BCM6752 plus BCM43684:
    • 2,4 GHz 2x2 MIMO 802.11ax (1201 Mb/s)
    • 5 GHz 2x2 MIMO 802.11ax (2402 Mb/s)
    • 5 GHz 4x4 MIMO 802.11ax (4804 Mb/s)
    ASUS AiMesh AX6100 WiFi Sytem (RT-AX92U 2-Pack) (1)_waifu2x_art_scale_tta_1.png
     
  4. Internet Man

    Internet Man Senior Member

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    As far as I know, the IPQ4019 is not yet confirmed to be used in the RT-AX92U. It was just assumed based on the announced specs and publicly known chipsets at the time. It could be Broadcom-based.
     
  5. RMerlin

    RMerlin Super Moderator

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    The RT-AX92U is Broadcom-based.
     
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  6. Balance

    Balance Occasional Visitor

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    @RMerlin In that case Wikidevi is wrong. Do you know which Broadcom hardware?
     
  7. RMerlin

    RMerlin Super Moderator

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    I don't know the details, sorry. Only that in the latest Asuswrt GPL code, the build profile for the RT-AX92U is based off the bcm94908 HND SDK (same as the RT-AX88U):

    Code:
    export RT-AX92U := $(HND-94908_BASE)
    
     
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  8. CrystalLattice

    CrystalLattice Regular Contributor

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    When will all the new routers be released? Anyone have any dates? Thanks!
     
  9. RMerlin

    RMerlin Super Moderator

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    The Asus RT-AX88U was launched about two weeks ago. The Asus GT-AX11000 is currently targeted for sometime in November according to Newegg.

    No word on the other models.
     
  10. Internet Man

    Internet Man Senior Member

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    The CPU is a BCM4906 and the 4x4 ax radio is likely to be a BCM43684 but it's not clear what the two 2x2 radios will be. I'll guess they're BCM4352(0) but ASUS could just use BCM43684 radios and disable two streams on each and remove 802.11ax support like they seem to have done with the unreleased (qualcomm-based) GT-AC5400.
     
    Last edited: Oct 26, 2018
  11. Marica Calma

    Marica Calma Occasional Visitor

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    Thanks for sharing this interesting resource to the readers. I find it helpful for knowing the two new platforms that was designed to allow faster download and upload speeds, high capacity, better coverage, lower latency and enhanced battery life afforded by Broadcom’s Wi-Fi 6 implementation.
     
  12. iwod

    iwod Regular Contributor

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    I can't wait to see this being tested by SNB.

    And why is it none of the announced AX product support 802.11 ax on 2.4Ghz band?
     
  13. Internet Man

    Internet Man Senior Member

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    Most do. The ASUS RT-AX92U is the oddball with no 802.11ax support on 2.4GHz.

    802.11ax limits channel bandwidths on 2.4GHz to 40MHz, like 802.11n and 802.11ac because there are so few channels available and the potential for interference is so high since 2.4GHz signals travel farther. 802.11ax @ 2.4GHz would benefit from things like 1024QAM and OFDMA to improve capacity and speed a bit.
     
  14. RMerlin

    RMerlin Super Moderator

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    upload_2018-10-27_23-56-49.png
     
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