Hi
This is how you interpret it. Refer below post for more details
https://supportforums.cisco.com/document/11938046/how-interpret-80211ac-datarates
Format: aX.YcZ
X = mcs (modulation coding scheme) 0-9 Y = No of spatial streams, 1-3. Z = Bandwidth 2, 4, 8 (2 = 20Mhz, 4=40Mhz, 8=80Mhz) c = b for Beamform, s for STBC, - none s = Guard Interval, indicates Short guard interval applicable over LGI (Long guard interval)
Since you got a8.2-2,
MCS 8, 2 Spatial Stream, 20MHz bandwidth.
You can work it out what is that rate is equivalent to using below index.
http://www.wlanpros.com/mcs-index-802-11n-802-11ac-chart-3/
Pls mark the thread as "answered" if you got what you looking for
HTH
Rasika
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