150Mbps Portable 3G Wireless Router User Guide
communicate with the Greenfield connection point. On
the contrary, there will be collision, errors and
resending in the information transferring process
between them. For common usage, we recommend
that you use the Mixed Mode, which integrates
traditional mode and Green Field mode.
Channel bandwidth: Select the best channel
bandwidth to enhance the wireless performance.
When there are 11b/g and 11n wireless clients, please
select the 802.11n mode of 20/40M frequency band;
when there are only non-11n wireless clients, you can
select 20M frequency band mode; when the wireless
network mode is 11n mode, please select 20/40
frequency band to boost its throughput. After you
finish the settings, click “Next” to enter the interface
for wireless encryption settings.
Guard Interval: Works in 11n mode only. 802.11b/g
standards require there’s an 800 ns interval between
the information signs when sending them and this
interval is called Guard Interval (GI).Different GIs
determine whether there’s interference affecting the
transmission rate while sending the signal. We
recommend that you use the default value.
MCS (Modulation Coding Scheme): Works in 11n
mode only. The physical rate relies on several
elements such as modulation method, encoding rate,
the amount of the three-dimensional flow, 40MHz
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