Excellent anti-interference protection: This transmitter provides unparalleled anti-interference protection, using efficient omnidirectional high-gain antennas to reduce interference while using less power to a strong and reliable connection Advanced two-way communication: The system is to send and receive data, and can seamlessly connect with a variety of sensors to better understand the working status of the current model Full-angle gain antenna: The dual-gain antenna makes the signal transmission more stable and stronger, and enhances directional stability High sensitivity and energy saving: The system is built with sensitive components that maintain high receiver sensitivity and consumes minimal power Rugged and reliable system design: The design focuses on low power consumption and high reliability. The receiver's sensitivity is finely tuned for efficient operation, ensuring consistent performance and connectivity even in challenging environments Number of channels: 6-10 (default 6) Applicable models: fixed-wing/glider/helicopter Frequency range: 2.408-2.475GHZ Band width: 500KHZ Number of bands: 135 Transmitter power: no higher than 20dBm 2.4G mode: second-generation enhanced automatic frequency hopping digital system (including first-generation system) Modulation mode: GFSK Joystick resolution: 4096 levels Low voltage alarm: when lower than 4.2V Data output: PS2 interface PPM Charging interface: no Input power; 6V 1.5AA*4 Online update: yes Colour:black Material:ABS style:A letf Hand Package Contents: 1 * RC Transmitter Kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.