
HAPPYMODEL OVX303 VTX
₹1,089.00 ₹1,989.00
Out of stock
The Happymodel OVX303 is an ultra-lightweight nano-size 5.8GHz VTX equipped with OpenVTX firmware and Smartaudio compatibility. Designed for micro FPV drones, it delivers stable power output with selectable transmission settings up to 300mW. At just 0.9g, this VTX is ideal for racers who demand performance without weight penalties.
Product Details
Features
- Preloaded with OpenVTX firmware
- Smartaudio control ready (Betaflight compatible)
- 40 channels with Raceband support
- Nano size for micro drones (14x15mm)
- Selectable power output: 0/RCE/25mW/100mW/300mW
- Ultra-lightweight: only 0.9g
- Efficient and stable power delivery
- Easy solder pad connection
Technical Specifications
- Model: OVX303
- Frequency: 5.8GHz, 40 Channels
- Transmitting Power: 0/RCE/25mW/100mW/300mW
- Power Supply: DC 5V
- Current Draw: <650mA @ 5V (at 300mW)
- Weight: 0.9g (without antenna)
- Size: 14×15×3mm
- Firmware: OpenVTX
- Control Protocol: Smartaudio
Package Includes
- 1x Happymodel OVX303 VTX
Additional Details
- Built for whoop-class and toothpick drones
- Compatible with Betaflight OSD for in-GUI configuration
- Designed to deliver low interference FPV video transmission
- Perfect balance of weight, performance, and configurability
- Ideal for pilots seeking minimal latency and flexible power control
- Nano FPV Video Transmitter || 5.8GHz Micro VTX || Ultra-light FPV Transmitter || FPV Drone Video Module || OpenVTX Compatible VTX || Brushless Whoop VTX || Betaflight SmartAudio VTX || Mini Racing Drone Video TX
- Sold By: UAV Marketplace (an authorized seller of drone gear and accessories)
Frequently Asked Questions
Q1 Is the OVX303 compatible with Betaflight Smartaudio?
A: Yes, it supports Smartaudio for full OSD control in Betaflight.
Q2 Can I switch between power outputs mid-flight?
A: You can change power levels via Betaflight OSD or OpenVTX settings, but the VTX may need to reboot to apply changes.
Q3 Does it include an antenna?
A: It depends on the seller’s package, so please check before purchase.