You can check the signal strength of your smartphone to RSRP and RSRQ.
You can also check specialized information (Earfcn Cell ID Timing Advance).

[Communication standard]
- 5G (NR) (Experimental support)
- LTE
- W-CDMA
- CDMA (operation not confirmed)

[Displayable items]
- LTE / W-CDMA
PCI / SC RSRP / RSCP

- LTE only
Carrier Name Band Earfcn / Uarfcn Central Frequency
RSRQ RSSNR Timing Advance Cell ID

[Notes]
* A valid SIM card is required
* Android 11 or lower is not operation guaranteed
* Please note that if some access rights are denied it will not work properly

[Required permissions]
- location information
- phone
- Ignore battery optimization

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We are adding and fixing features based on reviews.
If you have anything to add please review it.