works in the frequency range of 2.405 to 2.475 GHz. This band has been divided into 142 independent channels. Each radio system uses 16 different channels and 160 different types of hopping algorithms.
FlySky FS-i6 Transmitter/Receiver Each transmitter has a unique ID. When binding with a receiver, the receiver saves that unique ID and can accept only data from the unique. This avoids picking up another signal and increases immunity and safety.

Channels: 6
Model Type: Fixed-Wing, Glider, or Helicopter
RF Range: 2.4055-2.475GHz
RF power: 20 dBm
RF Channel: 140
Bandwidth: 500KHz
2.4GHz system: AFHDS 2A or AFHDS
Modulation Type: GFSK
Stick Resolution: 4096
Low Voltage Warning: 4.2V
DSC Port: PS2 PPM
Chargeable: No
Antenna Length: 26mm (Dual Antenna)
Weight: 392g
6V DC 1.5AA*4 power supply
Display: Transflective STN Positive Screen with backlight, 128 * 64 pixels, VA73 * 39 mm
Size: 174*89*190mm
Online Update: Yes
Color: Black
Certificate: CE0678, FCC
Flysky FS-iA6A Receiver Specs
Channels: 6
Frequency: 2.4GHz ISM Frequency Range
Power: 4.5V~6.6V/<30ma
Net Weight: 14.9 g
Dimensions: 47 x 26.2 x 15 mm
4 x AA-type batteries are required for operation.
i-BUS Port and Data Acquisition Port Telemetry