Happymodel OVX300 OpenVTX Open Source OVX306 5.8G 40ch 300mw Image Transmission

🚀 FPV VTX 5.8GHz Video Transmitter – Happymodel OVX300 / OVX303 OpenVTX 🔧 OpenVTX Firmware & Smart Control

This FPV video transmitter comes preloaded with OpenVTX firmware, supporting SmartAudio VTX control for easy configuration via your flight controller. A true open source VTX that allows users to update firmware and customize settings freely.

📡 Stable 5.8GHz Video Transmission

Designed as a high-performance 5.8GHz VTX, this drone video transmitter supports 40CH channels for stable signal transmission. With adjustable output power (0/25mW/100mW/300mW), it is ideal for both short and long-range FPV flying.

⚡ Adjustable Power & Lightweight Design

This 300mW FPV VTX offers flexible power control for different environments. Ultra-lightweight nano VTX design (as low as 0.9g) makes it perfect for FPV racing drones, tiny whoop, and micro builds.

🛠 Ultra-Compact & Easy Installation

Compact mini video transmitter size ensures easy mounting in tight drone frames. Compatible with multiple mounting patterns, making it a versatile FPV drone transmitter for various builds.

🔄 Firmware Upgrade & Wide Compatibility

Supports user firmware updates for continuous performance optimization. Works seamlessly as a smart audio VTX with most flight controllers, ideal for DIY FPV enthusiasts.

📊 Specifications OVX300 Model: OVX300 Frequency: 5.8GHz 40CH VTX Output Power: 0 / RCE / 25mW / 100mW / 300mW video transmitter Power Input: DC 5V Current: <650mA (300mW) Weight: 0.9g (without antenna) Size: 14 × 15 × 3mm OVX303 Model: OVX303 Frequency: 5.8GHz 40CH FPV VTX Output Power: 0 / RCE / 25mW / 100mW / 300mW Power Input: DC 5V Current: <650mA (300mW) Weight: 1.5g (without antenna) Mounting: 16×16mm / 20×20mm / 25.5×25.5mm