Flysky i6S FS-i6S 2.4G 10CH AFHDS 2A Radio Transmitter With FS-iA10B Receiver for FPV RC Drone Engineering Vehicle Boat Robot Customer Review: Flysky FS-i6S v2.0 Firmware Update Steps: Overview: The FS-i6S transmitter and FS-iA10B receiver constitute a 10 channel 2.4GHz AFHDS 2A digital proportional computerized RC System. This system supports quadcopters. The AFHDS 2A (Automatic Frequency Hopping Digital System Second Generation) developed and patented by Flysky is specially developed for all radio control models.Offering superior protection against interference while maintaining lower power consumption and high reliable receiver sensitivity,Flysky's AFHDS technology is considered to be one of the leaders in the RC market today. Description: Brand Name: Flysky Item Name: FS-i6S with FS-iA10B receiver Mode: Mode 2(Left hand throttle),we will also send you a self-centering part which can help you to switch freely between the left hand throttle and the self centering throttle. Note: This transmitter is only compatible with Flysky 2A system receiver. Specifications: FS-i6S TransmitterFS-iA10B ReceiverChannel610Frequency2.4055 - 2.475GHz2.4055-2.475GHzBand Width500KHz-----Band Number140140Transmitting Power