Jumper T-20 T20 ELRS 915MHz/2.4GHz edgeTX long range remote controller has a powerful adaption system is great for RC Cars, rc boats, fixed-wing drones, rc helicopter, multi-rotor drones and etc. The main differences of the T20 and T20S is the gimbal, Jumper T20 comes with the hall sensor gimbal while the T20S comes with the RDC90 Gimbal.