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BetaFPV A03 400mW 5.8G VTX

32.17 EUR
Model: beta_a03_400mw_5.8g_vtx


A03 400mW 5.8G VTX, a video transmitter with OpenVTx firmware, supports both the SmartAudio and Tramp protocols. It features PIT/RCE/25mW/100mW/400mW adjustable output power for different use. With the 26*26mm mounting hole size, it is suitable for whoop or toothpick drones like X-Knight series, Beta85X/95X series, TWIG series and Pavo series.

Know More About OpenVTx

Big thanks to Jye Smith and all contributors for their time and energies to OpenVTx project.

OpenVTx refers to open source video transmitter firmware for the FPV community, which aims to provide firmware with both the SmartAudio and Tramp protocols. Either protocol can be used on the flight controller and on VTx power up the protocol used is automatically detected by OpenVTx. For more information, you can know it from OpenVTx GitHub.

Bullet Point

An open-source video transmitter with OpenVTx firmware. The A03 VTX supports SmartAudio and Tramp protocols. Through these protocols, the flight controller is able to adjust the video transmitter settings, which are the power, the band, and the channel of the transmission.

A03 VTX is a high-quality 5.8GHz VTX with strong anti-interference ability and stable transmission. Comes with PIT/RCE/25mW/100mW/400mW adjustable output power, allowing the perfect amount of output power to be selected based on your FPV needs.

Overall weighing 4.9g with a small-size layout, A03 VTX comes with a 26*26mm mounting hole and is perfectly suitable for whoop or toothpick drones like the X-Knight series, Beta85X/95X series, TWIG series, and Pavo series drones. 

Featuring a fixed mounting hole and 6-pin connector, less solder work needed, which makes it’s super easy to install.


Item: A03 5.8G VTX

Output power: PIT/RCE/25mW/100mW/400mW (10-26dBm)

Supply voltage range: 7-35V

Current (8v): <300mA (400mW)

Weight: 4.9g (excluding antenna)

VTX size: 30.34*30.34*4.6mm

Mounting Hole Size: 26*26mm

Antenna: Air Antenna (MMCX Straight)

Frequency: 5.8GHz 48 channels

Raceband: 5658~5917MHz

Channel SEL: SmartAudioV2.0 & Tramp

Modulation type: FM

Antenna port: 50 Ω

Operating temperature: -10℃~+60℃


Antenna connector MMCX
Dimensions (Length * Width * Height) 30,34X30,34X4,6 mm
Input voltage 7-35 Volts
Mounting pattern 26,5x26,5 mm
Output power 25/100/400 mW
Radio frequency 5.8 GHz
VTX control smart audio
Weight 4,9 g

Package included

1 x BETAFPV A03 5.8G VTX

1 x 6-Pin FC Cable

1 x Air Antenna(MMCX Straight)

3 x Anti-Vibration Rubber Dampers


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