discovered advanced WiFi settings (what do they mean?)

this is the picture
Wireless Mode > Off/11g/11b+g+n
RX Buffer Num(1-256) >
TX Queue Len(1-1000) >
RTS Threshold (256-2347) >
Beacon Interval (20-1000) > milliseconds
DTIM Interval (1-255) >
TX Chainmask> 1 2 3 4 5 6 7
RX Chainmask> 1 2 3 4 5 6 7 1. For 2x3, you should change tx to 5 and rx to 7 2. For 2x2, you should change tx to 5 and rx to 5 3. For 3x3, you should change tx to 7 and rx to 7
No Reset> Disabled Enabled
WPS testing > WPS Configed WPS UnConfiged
Device's UUID >wsc upnp may closed
WMM(QoS) Paramters > AP CWMinCWMaxAIFSTxOpLimitAC_BEAC_BKAC_VIAC_VO

STA CWMinCWMaxAIFSTxOpLimitAC_BEAC_BKAC_VIAC_VO

Firmware Information>built at Thu, 14 Aug 2008 20:00:49 +0800 by andic Original Firmware Version>1006 Wireless driver> DSL Modulation> MultiMode T1.413 G.dmt G.lite ADSL2 ADSL2+ ADSL2 L ADSL2 M ADSL2+ M