2.4GHz System: AFHDS 2A / AFDHS. 1 Set of FLYSKY FS-i6X AFHDS 2A 10CH 2.4GHz Transmitter. Item: FS-i6X RC Transmitter. Each transmitter and receiver has it's own unique ID. Once the transmitter and receiver have been paired, they will only communicate with each other, preventing other systems accidentally connecting to or interfering with the systems operation.
eBay