Flysky 4-Channel Bidirectional Receiver For AFHDS 3 Transmitters & RF Modules.

Specifications:

• PWM Channels: 4 
• RF: 2.4GHz 
• Protocol:  AFHDS 3 
• Antenna:  Dual built-in antennas
• Input Power:  3.5-9V/DC
• Data Output:  PWM/PPM/i.BUS 2/S.BUS/i.BUS
• Temperature Range:  -10℃ to +60℃ 
• Humidity Range:  20%-95% 
• Online Update:  Yes
• Dimensions:  30.3*25.8*20mm 
• Weight: 7.2g