Description: This transmitter widely used in FPV Racing RC Drone Quadrocopter Car Boat Helicopter Multicopter.This system has a bandwidth range of 2.401 GHz to 2479 GHz. SUBS supports signal output with 6 channels of frequency hopping and a signal range of up to 800M. Specification: Switch channel: 6 Remote control battery: 4 x AA batteries ( not included ) RF range: 2401MHz - 2483MHz RF power: less than 70mW Control Distance: > 800 meter Working current: less than 120mA Working voltage: 4.5 - 8V Modulation mode: FSK Sensitivity: 1024 Antena: YES, along with Receier Signal output: 6 PWM signals and 1 SBUS signals Analog and external power supply ( not more than 8V ): yes Low voltage alarm mode: LED indicator and buzzer alarm at the same time Product weight: 0.4 kg Product size (L x W x H): 18x 17 x 5 cm / 7.09 x 6.69 x 1.97 in Package included: 1 x Transmitter 1 x Receiver