The Happymodel OVX303 VTX is based on the Open source project OpenVTX powered by Jye Smith from the EpxressLRS team. Open VTX 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.

Specifications
Input Voltage: 5V
RF Output Power: 25-300mW
Antenna Connector: U.Fl
Power/Video Connection: Solder Pads
Stack Size: 16x16mm, 20x20mm, 25x25mm
Dimensions: 15x14mm
Weight: 0.9g

Includes
1x Happymodel OVX303 25-300mW 5.8GHz U.Fl VTX w/ OpenVTX

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