GNSS Module Series
L26-LB EVB User Guide
L26-LB_EVB_User_Guide 16 / 28
4 EVB Operation Procedures
This chapter mainly illustrates the operation procedures of L26-LB EVB.
4.1. Communication through Micro USB Interface
Step 1: Connect the EVB to a PC with a micro USB cable through the micro USB interface, and then turn
on the POWER switch (S201) to power on the EVB.
Step 2: Run the USB flash drive on PC to install the USB driver. The USB port numbers can be viewed
through the PC Device Manager, as shown below.
Figure 10: USB Ports
Step 3: Install and then use the QCOM tool provided by Quectel to realize the communication between
the module and the PC.
The following figure shows the COM Port Setting interface of QCOM: select the correct “COM
Port” (USB port number shown in the above figure) and set the correct “Baudrate” (the default
value: 9600 bps). For more details of the usage of QCOM, please refer to document [4].
Figure 11: COM Port Setting Interface of QCOM
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