Function of RI in quectel EG25-G

IoT Modules LTE Standard Module
1

What is the function of RI pin in quectel EG25G? Can it be left Open?

2

HI
The RI pin is an output ringing prompt. At the same time, when the module has a URC report, the RI signal will wake up the host. For specific functions and configurations, you can check the module hardware design manual.
Quectel_EG25-G_Hardware_Design_V1.4.pdf (1.3 MB)