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<
UP- Down Settings Management>
allows the user to change the ratio of
uplink rate to downlink rate. If there is not any question, it is not
recommended to modify it. If it is needed, the airborne unit setting is valid,
<1
D4U
> means the ratio of downlink and uplink is 1:4.
The <
Debug Interface
> should be modified at the developer's guidance. If
the user needs a fixed-frequency point output, use the AT command:
AT^DRPS.
The first parameter is the frequency point range, please set it according to
the frequency point range of different frequency bands.
The second parameter is the bandwidth, 1 is 3M; 2 is 5M; 3 is 10M; 5 is 20M;
The third parameter is the power, which ranges from <40db ~ 25dbm>.
As show below: