GNSS Module Series
L89_R2.0_EVB_User_Guide 15 / 25
4 Communicating via QCOM Tool
This chapter explains how to use the QCOM tool to communicate with the module via the Micro-USB
interface. For more information on QCOM tool use, see document [1].
The specific steps are as follows:
Step 1: Connect the EVB and the PC with a Micro-USB cable.
Step 2: Flip the power switch (S101) to ON position to power on the EVB.
Step 3: Run the provided driver installer to install the USB driver.
Step 4: View the USB port number in the Device Manager.
Figure 4: USB Port
Step 5: Install the QCOM tool provided by Quectel. The COM Port Setting interface of QCOM is shown
in the figure below.
Figure 5: COM Port Setting Interface of QCOM
Step 6: Select the correct “COM Port” (USB Port shown in Figure 4 above).
Step 7: Set the correct “Baudrate” (default value: 9600 bps).
Step 8: Click “Open Port” to establish the communication with the EVB. The NMEA sentences output of
the module will be displayed in the receiving bar of QCOM tool.
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