User's Manual

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@2.4GHz, 2dB@5GHz) should be concerned as well, i.e. the below RF table is lower than
WP838-i-AP.
Table-04 WP838E TX capability @ 5 GHz (WM863_QCA9890)
Transmitter
Target Power(dBm)
802.11a
6M
16
36M
16
48M
16
54M
15
802.11n HT20
MCS 0,1,2,3,4,8,9,10,11,12,16,17,18,19,20
16
MCS 5,13,21
16
MCS 6,14,22
16
MCS 7,15,23
15
802.11n HT40
MCS 0,1,2,3,4,8,9,10,11,12,16,17,18,19,20
16
MCS 5,13,21
16
MCS 6,14,22
16
MCS 7,15,23
15
802.11ac 256QAM VHT80
3/4 Code Rate
13
5/6 Code Rate
12
Table-05 WP838E TX capability @ 2.4 GHz (QCA9550)
Legacy Mode
2.4 GHz (dBm)
6Mbps
19
54Mbps
17
HT20
MCS 0/8/16
19
MCS 7/15
17
MCS 23
16
HT40
MCS 0/8/16
19
MCS 7/15
16
MCS 23
15
4.2 Rx Sensitivity (Single chain)