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IFlight BLITZ BWhoop 5.8Ghz 40CH 2.5W/ 4.9Ghz 8CH 2.5W 2-8S VTX Built-in Microphone MMCX For FPV Drone Quadcopter


Regular price $60.20

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Built-in microphone

4 Power levels up to 2500mW

The CNC cooling casing, along with an integrated cooling fan, offers a dual heat dissipation effect


VTX is set to 25mW by default! Power levels above 25mW require a HAM license or have to be approved by local authorities! Please ensure you're flying legal frequencies and use our prepared Betaflight VTX tables according to your region.


Input voltage: 7V~34V

Interface: MMCX

Power levels: PIT/25mW/400mW/1000mW/2500mW

Channels: 8

Mounting pattern: 25.5x25.5mm/Φ1.6 

Dimensions: 50*30*16 mm

Lightweight: 32g

VTX telemetry: IRC Tramp

LED Indicator and Function Button

Power Button:

Press and hole for 2s: Enter or exit PIT mode, solid green light indicates entering PIT mode

Short press: Green light (output power): The number of LED flashing indicates the VTX output power. Short press to change output power.1 flash=25mW, 2 flashes=400mW,3 flashes=1000mW, 4 flashes=2500mW. 


Band and Channel Button

Short press: Blue(CH): The number of LED flashing indicate the channel 1 to 8. Short press to switch the Channel.


VBAT: 2-8S,7-34V DC Positive Input

GND: Negative

IRC: IRC Tramp Signal Input

Video in: Video Signal Input

Camera out: Camera video output

5v out: 5v Voltage Output

GND: Negative

Camera in: Camera video Input

Packing List

1 x BLITZ Whoop 4.9G 2.5W VTX


Please read the instructions for proper wiring before use.

It is recommended that before switching on the power, make sure that the antenna has been installed, it can extend the life of the module.

It is recommended to ensure the correct voltage range and the correct positive and negative polarity before switching on the power to avoid burning the components.

Please keep enough space when you install the VTX to ensure air convection around the module for heat dissipation. Otherwise, the module will enable overheat protection and the power transmission will be reduced or even switched off.


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