An 3.0 RC13 AP is showing things like “12Mbps/4/6Mbps/4” as value for Rx/Tx rate.
What’s the meaning of those additional values?
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Best regards,
Christian Meis
when you are using the 5MHZ band it shows as /4 (one quarter the standard bandwidth) while the 10MHZ band shows as /2 (half the standard bandwidth).
It makes some sense, after all.
Sounds logical - thank you 
Best regards,
Christian Meis
So what does SP mean? Seems to be only on 2.4 when AP and client are both Mikrotik.
eg TX/RX rate = 11Mbps-SP/11Mbps-SP
Malcolm
SP = Short Preamble
LP = Long Preamble
-Gerard