FS-i6X Transmitter Specifications:
Channels: 6-10 (default 6)
Model type: Fixed-Wing/Glider/Helicopter
RF Range: 2.408-2.475GHz
RF power: <20dBm
RF Channel: 135
Bandwidth: 500KHz
2.4GHz system: AFHDS 2A / AFHDS
Modulation type: GFSK
Stick resolution: 4096
Low voltage warning: <4.2V
DSC Port: PS/2 Port
Chargeable: No
Antenna Length: 26mm (Dual Antenna)
Weight: About 400g
Power: 4 * AA battery (not included)

FS-iA6B Receiver Specifications:
Channels: 6
Model type: Airplane/Glider/Helicopter
RF range: 2.4055-2.475GHz
RF channel: 140
RF receiver sensitivity: -105dBm
Bandwidth: 500KHz
2.4GHz system: AFHDS 2A
Modulation type: GFSK
Power: 4.0-6.5V DC
Compatible transmitter: FS-i6X, FS-i4, FS-i6, FS-i10, FS-GT2E, FS-GT2G
Antenna length: 26mm (Dual Antenna)