AFHDS (Automatic Frequency hopping Digital System), is developed by FLYSKY for all the Radio Control model lovers and is patented by FLYSKY * 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 markets. * hannels: 3 Channels Model type: Car / Boat RF Range: 2.40 - 2.48GHz Bandwidth: 500Hz Band: 160 RF Power: Less than 20DB 2.4G System: AFHDS Code type: GFSK Senditivity: 1024 * Low Voltage Warning: Yes (Less than 3.7V) DSC Port: Yes (3.5mm, Output: PPM) ST Range: 90 TH Range: 45 (F:30, B:15) Charger Port: Yes (USB) Power: 3.7V (800mAh) Weight: 270g