RNC Mobile is an Android app developed by cedricf_25 that allows Free Mobile users to capture and visualize identification data of antennas and participate in the active mapping of the Free Mobile network. The app provides real-time monitoring of various network parameters such as CID, RNC/eNB, frequency, signal reception, and quality levels, among others. Additionally, it features a test module for checking network performance, a journal of events displaying antennas to which the user has connected, and a car mode for displaying connected antennas while driving. The app also offers various statistics and a real-time graph of signal levels and site distance. Moreover, users can view all Free Mobile radio sites around them on a map, filter them by different criteria, and participate in the active mapping of the network. Lastly, the app allows users to share a lot of information about Free Mobile antennas to their preferred social networks.