i have one of these units in my walkera 8 channel pcm radio and it works flawlessly great buy for a reasonable price
you can buy this KDS 2.4Ghz Transmitter Module (JR Transmitter) at Remote Control Model Free Shipping Shop
KDS 8XTJ 2.4GHz radio system units are advanced electronic device, which are compatible with various types in R/C world by selecting different modes. It can support multi-users and multi-equipment at one time. It features quick response, high precision, and strong capability for anti-jamming.
R F Module for JR transmitter
JR is trademark or registered trademark of their respective owners.
KDS-8XTJ can be compatible with JR9X radio
Multiple people can use it at the same time, and it won’t cause interference
Program setting not needed thus no need to worry about mal-operation.
It can well support gyros of different brands.