Ebyte E-840-TTL-4G02 User Manual page 8

Chengdu Ebyte Electronic Technology Co.,Ltd E840-TTL(4G-02)User Manual
E840-TTL（4G-02） 5V—20V power adaptor or 4.2V battery
USB to TTL board
4G/LTE sucker antenna and IPEX to SMA cable
UART cable connected according to recommended circuit diagram，SIM card and antenna
Connect the power supply, antenna, SIM card, serial cable and other hardware before testing.
1. Access the official website of EBYTE: www.ebyte.com, to download the latest GPRS/E840-TTL-4G02 series
product configuration tool, install USB to 232/485 driver, run the software!
2. Select the corresponding COM port number. The factory default serial port baud rate is 115200, 8N1, as shown
below:
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