3.7-4.3GHz 5W FPV VTX Module Long Range Wireless Transmission AL4305

Product Introduction

The AL4305 is a high-performance wireless data transmission module designed for long-range analog signal transmission applications. Operating within the 3.7GHz–4.3GHz frequency range, it supports up to 5W output power with multiple adjustable levels for flexible deployment requirements.

Equipped with PLL frequency control technology, efficient power calibration, and an advanced aluminum alloy cooling structure with a high-speed centrifugal fan, the module ensures stable signal output and reliable continuous operation in demanding environments.

Its compact size, wide voltage input range, and protocol-based parameter adjustment capability make it suitable for industrial wireless communication and customized transmission systems.

Product Features

• 3.7GHz–4.3GHz non-standard frequency band with reduced signal congestion

• Up to 10W high power output for long-distance transmission

• Adjustable power levels: PIT / 25mW / 2W / 5W 

• PLL frequency lock technology for stable and accurate transmission

• Integrated aluminum alloy heat dissipation structure with active cooling fan

• 32 selectable channels with flexible frequency switching

• Supports IRC Tramp protocol control

• Wide DC 7-30V input voltage compatibility

• Compact and lightweight design for system integration

Product Advantages

• Strong signal penetration and stable long-range transmission

• Low frequency drift with chip-level integrated PLL architecture

• Consistent output power across all channels

• Efficient thermal management for continuous high-power operation

• Easy parameter configuration through onboard button or controller connection

• Suitable for complex wireless environments with lower interference