How to get 5G signal info with uqmi without switching network mode?

Installing and Using OpenWrt
1

I'm using 5G for my home Internet. The issue is that the ISP will reduce base station power at night:

Sun Mar 23 01:00:01 CST 2025
{
	"type": "5gnr",
	"rsrp": -68,
	"snr": 28.000000,
	"rsrq": -11
}
Sun Mar 23 01:01:01 CST 2025
{
	"type": "5gnr",
	"rsrp": -101,
	"snr": 10.500000,
	"rsrq": -16
}

Currently I'm using uqmi --device /dev/cdc-wdm0 --set-network-modes lte to fallback to 4G at fixed time. However, there are some instability during the day, so I'm thinking to have a cron job to adjust network periodically.

However, one issue is that, once switched to 4G, I cannot query the 5G signal quality unless switching to it. I do play some online games at night, and switching to 5G to probe signal quality is unacceptable as bad latency will ruin the experience.

Is there a way to get this info without switching network mode?

2

Currently I'm checking the LTE cells that are linked to the 5G base station. If I can see them I assume 5G is back.

The cron job can be found here.

3

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