RCDroidBox allows real-time monitoring and recording of telemetry data transferred using JETI Duplex or Duplex EX protocol. The system consists of both hardware and a software part. The hardware is the actual RCDroidBox Bluetooth adapter and the software is an application running on a device with the Android operating system, such as cell phone or tablet. The application is available free of charge on Google Play - JATAYA - RCDroidBox. For active use the RCDroidBox has to be connected to a battery 4V-15V with the correct polarity and to the Ext. connector of the RC transmitter or transmitter module.