The Futaba 6K has T-FHSS AIR telemetry system. It is a high-performance 2.4GHz radio that it has not only Airplane and Helicopter mode but also Multicopter and glider mode. The 6K has a text-to-speech function from audio output connector. So you can make sure of telemetry data safely without take your eyes off from your flying body. It is also equipped with vibrator function to inform you such as voltage drop. The 6K also supports Futaba S-FHSS system receiver. So you can also use R2006GS. *S-FHSS system does not support telemetry function.