Product model: NB4+Adaptive Receivers: FGr4S and other AFHDS 3 receiversAdaptive Models: Car or BoatNumber of Channels: 8RF: 2.4GHz ISMMaximum Power: < 20 dBm()Low Voltage Alarm: < 3.65VData Output: USB Type-CCharging Jack: USB Type-CAntenna Type: External single antennaDisplay: 3.5-inch 320*480 full dot matrix color IPS screenResolution: 4096Input Power: 1S(4.2V )*4300mAh Lithium Polymer Battery+3450mA 18650 BatteryDistance: >300m (Ground distance without interference)Online Update: YesProduct Model: FGr4SPWM channel: 4Wireless frequency: 2.4GHzWireless protocol: AFHDS 3Antenna type: Built-in single antennaPower: 3.5-8.4VData port: PWM / PPM / i.bus/S.BUSTransmission Power: <20dBm()Working Current: 25mA/5VDisplay: LED IndicatorOnline Update: Yes
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