Chengdu Ebyte Electronic Technology Co.,Ltd E840-TTL(4G-02)User Manual
Copyright
©
2012
–
2019
,
Chengdu Ebyte Electronic Technology Co.,Ltd
7
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: