CellMapper

CellMapper is a mobile app that provides advanced information about 2G, 3G, 4G, and 5G cellular networks. It allows users to contribute to crowd-sourced coverage maps by recording network data. The app works on Android devices with version 4.0 or higher and offers features like displaying cellular network information, frequency band calculations, and a map of coverage and tower sectors. It also supports Dual SIM devices and features a frequency calculator. The app requires permissions like accessing phone calls, device location, network state, internet access, external storage, and more. CellMapper supports networks including GSM, UMTS, CDMA, LTE, and NR. Users can visit the CellMapper website and follow them on Reddit, Facebook, and Twitter.

The advantages of the CellMapper app are as follows:

- Displays advanced cellular network information: The app provides comprehensive information about 2G/3G/4G/5G (NSA and SA) networks, allowing users to have a better understanding of the coverage and performance of their cellular networks.

- Crowd-sourced coverage maps: Users can contribute to creating coverage maps by recording and uploading cellular network data. This helps in creating accurate and up-to-date coverage maps that can be useful for network analysis and optimization.

- Works on both tablets and phones: The app is compatible with both Android tablets and phones running on Android -0 or higher, allowing users to access its features on various devices.

- Frequency band calculations: CellMapper provides frequency band calculations for certain providers, giving users additional information about the frequency bands being used by their cellular networks.

- Dual SIM support: The app supports devices with dual SIM functionality, allowing users with such devices to accurately map and analyze network data from both SIM cards.

- Wide range of network support: CellMapper supports various network technologies including GSM, UMTS, CDMA, LTE, and NR, making it a versatile tool for analyzing and understanding different types of cellular networks.