User`s guide

Vigor2850 Series User’s Guide
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This page allows users to set advanced settings such as operation mode, channel bandwidth,
guard interval, and aggregation MSDU for wireless data transmission.
Operation Mode
Mixed Mode – the router can 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 – to get the highest throughput, please choose such
mode. 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
20- the router will use 20Mhz for data transmission and
receiving between the AP and the stations.
20/40 – the router will 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
combine frames with different
sizes. It is used for improving MAC layer’s performance for
some brand’s clients. The default setting is Enable.