Quectel LTE OPEN EVB - Operation Procedures Illustration; Power on Modules

LTE Module Series
LTE OPEN EVB User Guide
LTE_OPEN_EVB_User_Guide 55 / 62
7
MAIN_TXD_1.8V
8
MAIN_TXD_1.8V
9
VDD_1V8
1.8V power supply from U0401
10
GND
GND
J1007
Pin No.
Pin Name
Description
1
UART1_RTS_3.0V
Used for test
2
UART1_RTS_1.8V
3
UART1_RXD_3.0V
4
UART1_RXD_1.8V
5
UART1_CTS_3.0V
6
UART1_CTS_1.8V
7
UART1_TXD_3.0V
8
UART1_TXD_1.8V
9
VDD_1V8
1.8V power supply from U0401
10
GND
GND