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Simple_AK's avatar
Nov 08, 2021
Solved

RAX200 Multi-Gig Port to 2.5Gbps on Sagmecom F@st 3896 - limited to 1Gbps?

Hello Community,   My ISP now provides 2Gbps speed.  They provided a Sagemcom F@st 3896 cable modem that has a 2.5Gbps port.   I have a 2.5Gbps USB-C ethernet adapter that I used for plugging my ...
  • FURRYe38's avatar
    FURRYe38
    Nov 08, 2021

    Only way you might see 2.5Gb is if you have a 5Ghz AX 4x4 MIMO antenna supporting device that can connect at 4800Mpbs on 5Ghz AX mode. And most users devices are 2x2, like phones and pads. 3000-4000Mpbs may see good speeds from the WAN side thru the AX wifi. 

    The router supports the following:

    5GHz AX: 4x4 (Tx/Rx) 1024-QAM
    20/40/80/160MHz, up to 4.8Gbps< This is a connection rate only between the RAX and a supporting devices that can connect at that rate. 

     

    However in my experiences with NG and ASUS, i've never been able to get anything to connect at that speed. Max speed i've seen is around 3200-3800Mpbs. Close range between the two devices. Was told by NG engineering that many things effect how devices and conenct at higher speeds. Noise, environment and distances seems to be factor. In a near perfect environment, I guess they can get those speeds, however in a average home or general environment, gettings those speeds just isn't possible. I wish ALL router mfrs would not market that speed. That speed won't be seen at great distances since the frequency is high and is effected by building materials. Same with 6Ghz. Even higher freq is still impacted by what 5Ghz has been dealing with. 2400Mpbs seems to be a good rate.