Excellent Anti-interference Protection: This Transmitter Provides Unparalleled Using Efficient Omnidirectional High-gain Antennas To Reduce Interference While Less Power Ensure A Strong And Reliable Connection Advanced Two-way Communication: The System Is Able Send Receive Data, Can Seamlessly Connect With Variety Of Sensors Better Understand Working Status Current Model Full-angle Gain Antenna: Dual-gain Makes Signal Transmission More Stable Stronger, Enhances Directional Stability High Sensitivity Energy Saving: Built Sensitive Components That Maintain Receiver Consumes Minimal Power Rugged Design: Focuses On Low Consumption Reliability. Receiver's Finely Tuned For Operation, Ensuring Consistent Performance Connectivity Even In Challenging Environments Number Channels: 6-10 (default 6) Applicable Models: Fixed-wing/glider/helicopter Frequency Range: 2.408-2.475ghz Band Width: 500khz Bands: 135 No Higher Than 20dbm 2.4g Mode: Second-generation Enhanced Automatic Hopping Digital (including First-generation System) Modulation Gfsk Joystick Resolution: 4096 Levels Voltage Alarm: When Lower 4.2v Output: Ps2 Interface Ppm Charging No Input 6v 1.5aa*4 Online Update: Yes Colour:black Material:abs Style:b Right Hand Package Contents: 1 * Rc Kit Only Above Content, Other Products Are Not Included. Note: Light Reflection Different Displays May Cause Color Item Picture Little From Real Thing. Measurement Allowed Error 1-3cm.