For Android 5.1 or higher. Dual SIM support. Try free version before buying. To see Cell on map BTS file must be loaded. ARFCN and Band are available for Android 7 or higher.
App could be usefull for cellular network engineers.

Current features:
– On-line monitoring of NR / LTE / WCDMA / GSM / CDMA network signal and services
– Monitoring and Analysis modes
– Widgets 2×1, 4×2 and 4×3 including Dual SIM
– Signal strength in Status Bar. Extended Network info in notification
– Signal strength and Network info in notification on Android Wear watches
– Keep Million and more measurements in a database and view them offline
– Dark and light Themes
– Data collection in the background for both SIMs
– Display network technology and signal strength on the map
– Display sector azimuths on map (BTS file is needed)
– Site Explorer (BTS file is needed)
– Map styles (long press on map)
– Export session to CSV and KML
– Export map data to KML
– Share Sessions using export/import of Session in JSON format
– Export list of unique cells
– Measurement statistics
– Load and use external BTS file with additional cell data
– Copy and analyze sqlite database on a PC
– Use implemented Content Provider in your own applications to retrieve data from the database

Limitations:
– Correctness of the data is highly dependent on the correct and full implementation of the Google Android API on the device

Mod Info:

No LP or Google Play Modded needed.
Maps Location work;
Disabled / Removed unwanted Permissions + Receivers and Services;
Analytics / Crashlytics disabled.

Downloads

Net_Monitor-Pro-v1.66_build_67-Mod.apk – 5.2 MB

Net_Monitor-v1.65_build_66-Mod.apk – 5.2 MB