Ebyte E90-DTU User Manual page 9

Chengdu Ebyte Electronic Technology Co., Ltd.
1 E90-DTU(900SL22-4G) and 1 E22-900T20S
Test board and USB cable
Please visit the official website of Ebyte: www.ebyte.com, and download the latest E90 configuration tool, E22
configuration software and serial port assistant (below is XCOM), and install and run USB to 232/485 driver.
1. After connecting the E22-900T22S , please open the E22 configuration tool and select the corresponding COM port
number. If you cannot select the COM port number, please check if the serial port driver is installed correctly. After
completing the COM port selection, click the "Restore Factory Settings", and finally click "Write parameter".
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E90-DTU(900SL22-4G)Usermanual
5V—20V power adapter
4G/LTE sucker antenna
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