For Android 5.1 or higher. Dual SIM support. Try the free version before buying. To see the cell on the map, the BTS file must be loaded. ARFCN and Band are available for Android 7 or higher. The application could be useful for cell network engineers.
# Online monitoring of the signal and network services GSM / WCDMA / LTE / CDMA
# Monitoring and analysis modes
# Widget 2x1, 4x2 and 4x3 including Dual SIM
# Intensity of the signal in the status bar. Extended network information in the notification
# The signal strength and network information in the notification of Android Wear watches
# Keep millions and more measurements in a database and view them offline
# Dark and light themes
# Collect data in the background for both SIM cards
# Shows the network technology and the signal strength on the map.
# Show sector azimuths on the map (the BTS file is needed)
# Site Explorer (the BTS file is needed)
# Map styles (long press on the map)
# Export session to CSV and KML