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34
communication distance, making the GCS and phone control avoid from WIFI
distance limit. For data link XB-PRO900, the transmission power is 100 mW and
frequency 900 MHZ, communication distance is not less than 2 ~ 3 km (open
areas).
The
physical
port
of datalink
XB-PRO900
is RS232
and
the
communication baud rate is 115200 BPS.
•
A pair of XB-PRO900 contain two data links, one comes with craft and another
with ground station. But the two encapsulations are same and can be
interchanged.
（
1
1
1
1
）
Data
Data
Data
Data link
link
link
link (
(
(
(on
on
on
on Craft
Craft
Craft
Craft)
)
)
) connection
connection
connection
connection
Take off WIFI module from craft and install data link on craft, connect the data
link to YS-X6 COM3 referring to WIFI module connection.
Data link on Craft
（
2
2
2
2
）
Data
Data
Data
Data link
link
link
link (
(
(
(on
on
on
on ground
ground
ground
ground)
)
)
) connection
connection
connection
connection
Connect the WIFI module, taken off from the craft, to another data link on
ground (using cables come with data link), which can supply power with
wireless router on ground together. That is there are three parts on the
ground:data link, WIFI module, wireless router.
