Orbi RBR20 Firware: V2.5.1.16 Wifi speed slower than received

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jcotillo wrote:

Have a 600MB cable internet plan. When I test the speed from the modem to the router RBR20, the speed is 600MB and sometimes a little bit more, but if I connect to the wifi of the same router, the speed doesn't get more than 350MB, other satellites get to 250MB tops.

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Although the RBR20 claims a link rate of 866mbs on the 5G band, that does not mean that a WiFi device will actually achieve that much.

This article from 2015 goes into some depth describing "what is likely" with different WiFi connections:

 https://www.speedguide.net/faq/what-is-the-actual-real-life-speed-of-wireless-374 

Notice the statement: "In addition, net IP layer throughput of WiFi is typically 60% of the air link rate due to WiFi being half-duplex with ACKs, and being CSMA/CA. The number of simultaneous connections, and even the type of wireless security can affect and slow down some older routers with inadequate processors/memory."

What is the reported "link rate"?  (The Orbi "app" reports the link rate for each device.)

What is 60% of that?