Ebyte E840-DTU User Manual page 14

Chengdu Ebyte Electronic Technology Co. Ltd E840-DTU(4G-02)User Manual
2. Ready to transfer the file. The file transferred in this demo is RF_Setting3.49.exe. The file is an executable file. After startup, the
following interface is displayed:
3. Open the serial port tool and use the file sending method to open RF_Setting3.49.exe. After the device is connected to the
network server normally, click "send file" and the sending is completed as shown below.：
4. The server (the external network mapping used for this demo, the server is the TCP debugging tool), after receiving the data, it
is as follows：
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