Upgraded FlySky FS-TH9X 2.4G 9CH Transmitter Without Receiver Mode 2 FS-Th9X has revolutionized the way people experience RC, and now this radio transmitter can stand up to the top competitions. AFHDS (automatic frequency hopping digital system), is developed by FLYSKY for all the Radio Control model lovers and is patented by FLYSKY at home. The system is specially developed for all the Radio control models, that offers super active and passive anti-jamming capabilities, very low power consumption and high receiver sensitivity. With extreme rigorous testing by engineers and studying the markets for years, FLYSKY AFHDS is now considered to be the one of the best systems available in the market. 2.4GHz is the standard of new generation radio system because it has a lot of advantages. Operating at 2.4 GHz puts the radio control out of the frequency range of any 'noise' generated by the other electronic components on your helicopter - such as the brushless motor, Electronic speed controller, Servos and any metal to metal noise - eliminating interference and glitching that can affect traditional frequency system. Description: Brand Name: FlySky Item Name: FS-TH9X 2.4G 9CH Transmitter Channels: 9 Channels Model Type: quadcopter,glider, helicopter, airplane, also car or boat RF Range: 2.40-2.48GHz Bandwidth: 500Hz Band: 160 RF Power: less than 20DB 2.4G System: AFHDS Modulation: GFSK Code Type: PPM\/PCM Senditivity: 1024 LCD Type: 128 x 64 dot Low Voltage Warning: yes(less than 9V) DSC Port: yes(3.5mm:output:PPM) Charger Port: yes Size: 180 x 220 x 70 mm Power: 12VDC or 8 x 1.5AA Weight: 670g Mode: Mode 2 Control Range: 350-400m Model Memory: 30 The transmitter functions: Throttle curves Pitch curves Endpoint adjustments Subtrim Swash AFR mixes Servo reversing Timer Dual rate Exponential Flaperons V-Tail mixing Elevons How to bind the RX (receiver) to the TX (transmitter): 1. Plug bind plug into BAT, turn on plane\/heli, the LED light should flash (make sure power is connected to RX via ESC) 2. Hold down bind button on transmitter module while turning on the TX 3. The light should go steady now 4. Let go of bind button, turn off plane\/heli, remove bind plug, turn off TX 5. Turn on TX and then turn on plane\/heli Note: This version doesn't include R9B receiver and RM002 2.4GHz Module. If you need to connect the transmitter to a Lipo battery,please pay attention to the positive and negative of the interface,and connect the battery to the two pins on the left. Package Included: 1 x FlySky FS-TH9X 2.4G 9CH Transmitter