The Flysky FS-i6 2.4GHz 6CH RC Transmitter with FS-iA6 Receiver is a professional-grade radio system using AFHDS 2A technology for ultra-reliable, interference-resistant control. It features 6 programmable channels, digital trims, and 20 model memory, making it ideal for RC helicopters, quadcopters, gliders, airplanes, and drones. The included FS-iA6 receiver supports both PWM and PPM outputs, ensuring clean signal processing and compatibility with modern flight controllers.