[GL-MT3000] not able to detect the 5G RM520N-GL modem in 4.2 version and continuous reconnect in older versions

I expect that the USB-C port on the GL-MT3000 can provide between 1.2A/6W to 1.5A/7.5W, based on recent routers in this thread:

I do not work for and I do not have formal association with GL.iNet