Flysky Noble NB4 2.4GHz 4CH Radio Transmitter w FGr4 and FGr4S Receiver

Specification:
Nobel NB4 Radio Transmitter
Channels: 4, 6, 8 (optional firmware options)
Wireless frequency: 2.4GHz
Transmission power: <20 dBm
Wireless protocol: AFHDS3
Range: > 300m (ground)
Channel resolution: 4096
Battery: 1S (4.2V) * 4300mAh lithium polymer battery + 2600mAh 18650 dual battery
Charging port: Micro USB
Charging time: base <3h / handle battery <3.5h
Battery life: 10h + (with base) /4.5h+ (without base)
Low voltage alarm: <3.65V
Antenna type: Built-in single antenna
Display: HVGA 3.5 inch TFT, 320 * 480
Language: Chinese, English, and Japanese
Simulator compatibility: USB
Data port: Micro USB
Temperature range: -10 ℃ — + 60 ℃
Humidity range: 20% -95%
Online Update: Yes
Dimensions: 129 * 114 * 190 mm
Weight: 520g

FGr4 Receiver
PWM channel: 4
Wireless frequency: 2.4GHz
Wireless protocol: AFHDS 3
Range:> 300m (ground)
Antenna type: single antenna (150mm)
Power: 3.5-12V
RSSI: Supported
Data port: PWM / PPM / i.bus / s.bus
Temperature range: -10 ℃ — + 60 ℃
Humidity range: 20% -95%
Online Update: Yes
Dimensions: 45 * 22 * 16.2mm
Weight: 15g

FGr4S Receiver
PWM channel: 4
Wireless frequency: 2.4GHz
Wireless protocol: AFHDS 3
Range:> 200m (ground)
Antenna type: Built-in single antenna
Power: 3.5-8.4V
RSSI: Supported
Data port: PWM / PPM / i.bus
Temperature range: -10 ℃ — + 60 ℃
Humidity range: 20% -95%
Online Update: Yes
Dimensions: 26 * 22 * 17.3 mm
Weight: 5.1g

Package List:
1*Noble Transmitter
1*FGR4 Receiver
1*FGR4S Receiver
1*USB Cable
1* Accessories Kit