Beijing Dingtek Technology Corp., Ltd.
Tel:86-10-64718863, 64753700
E-mail: [email protected]
Room A209, Flounder Business Park, Shunbai Road 12, Chaoyang District, Beijing, China 100022
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Figure4.1
4.2 Reverse side of picture of PCB board ( open the Screws of PCB Board) as shown in
figure 4.2.
TXRX GND
Hollow position
Solid position
Black part of the jumper cap,
the default in this position
This interface can be used to
modify Lora parameters as well
as debug module
This power socket is
used to connect the
Battery
+
-