Draytek Vigor2760 Series User Manual page 84

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To edit the SSID setting, please do the following:
1. Move your mouse cursor on the SSID profile (from SSID1 to SSID4 based on the order)
you want to edit and click on it. In this case, we choose SSID2.
the function, too.
Preamble Type - This option is to define the length of the
sync field in an 802.11 packet. Most modern wireless
network uses short preamble with 56 bit sync field instead
of long preamble with 128 bit sync field. However, some
original 11b wireless network devices only support long
preamble.
Operation Mode - Mixed Mode allows the router to
transmit data with the ways supported in both 802.11a/b/g
and 802.11n standards. However, the entire wireless
transmission will be slowed down if 802.11g or 802.11b
wireless client is connected. Green Field allows the router to
get the highest throughput. Such mode can make the data
transmission happening between 11n systems only. In
addition, it does not have protection mechanism to avoid the
conflict with neighboring devices of 802.11a/b/g.
Channel Bandwidth - The router can use 20Mhz for data
transmission and receiving between the AP and the stations.
Or, it can use 20Mhz or 40Mhz for data transmission and
receiving according to the station capability. Such channel
can increase the performance for data transit.
Guard Interval - It is to assure the safety of propagation
delays and reflections for the sensitive digital data. If you
choose auto as guard interval, the AP router will choose
short guard interval (increasing the wireless performance) or
long guard interval for data transmit based on the station
capability.
Aggregation MSDU - Aggregation MSDU can
frames with different sizes.
layer's performance for some brand's clients. The default
setting is Enable.
TX Power - Set the power percentage for transmission
signal of access point. The greater the value is, the higher
intensity of the signal will be.
Click it to save the settings.
Click it to retrieve the default settings of this page.
Click it to fresh the web page.
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combine
It is used for improving MAC
Vigor2760 Series User's Guide