What speed should I expect?

Should see near 900Mbs or just over with ethernet speeds. WIreless, depending on devices support, 2x2 MIMO devices will tend to max out at round 500-700Mpbs. 

What wireless device are you testing on? 
Thats the key as different devices are going to give you different speeds. 

Do expect the speeds to drop of quickly with distance/obstruction/interference. 

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Streamerman wrote:

Just hooked up new AX2400 WiFi Router (RAX29) router. What speed should I expect coming out of this router if I have 1 Gig going into it? 

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Wifi speeds are witchcraft, with too many variables to do more than guess.

It might be worth a bit of background reading.

Understand Wi-Fi 4/5/6 (802.11 n/ac/ad/ax)

@duckware knows their stuff and can bust a few myths and cut through marketing hype.