X9 Lite is ACCESS protocol. The receivers should be upgraded to ACCESS protocol to work properly.
Compatibility: ACCST D16 and ACCESS receivers
Supports wired training function G7 Noble potentiometer gimbal
Supports spectrum analyzer function Haptic vibration alerts and voice speech outputs
High-speed module digital interface Easily accessible battery compartment (*Batteries not included, adaptive with replaceable 18650 button top Li-ion batteries)