A free app for Android, by Parmit Malik.
This App is a simple tool for calculating the RF frequencies for the 5G and 4G LTE mobile networks. It can be used to calculate the ARFCN from a given frequency for both the 5G New Radio and the 4G LTE.
It provides information about the frequency bands details approved by 3GPP with the frequency range, duplex Mode, and the allowed bandwidth.
It also has a built-in speed test and Ping tool that you can use to test the speed of your network and the quality of your connection.
This App is a free tool for testing the speed of your network and the quality of your connection.