In mobile communication, the frequency range used for mobile to base station transmission is typically in the range of 896-901 MHz.
This frequency range is part of the frequency spectrum that is reserved for mobile communication and is known as the cellular frequency band. In this band, the mobile phones and base stations communicate with each other using radio waves. The specific frequency range used for mobile to base station transmission may vary depending on the type of network and the region, but the 896-901 MHz range is a common frequency band used in many parts of the world.