Quectel RM502 modem loopback channel

IoT Modules 5G Module
1

Hi ,
I’m trying to read and write data to device using mhi_LOOPBACK , what is the AT commands to set the modem RM502Q-AE to loopback mode when connected via pcie

2

Dear @Gokila_S
mhi_loopback is a port to output gps nmea port.