Flysky FS-RM003 2.4G 9CH RC Transmitter Module Compatible AFHDS 2A For 
Flysky FS-TH9X TH9X Transmitter Remote Controller

Description:
Brand Name: Flysky
Item Name: FS-RM003 Transmitter Module 
Compatible Protocol: Flysky AFHDS 2A

Features:

Second generation automatic frequency hopping digital system
Supports AFHDS 2A receivers
Can be installed in the FS-TH9X
Can switch output modes
Package Included:
1x Flysky FS-RM003 Transmitter Module