Product Overview: This 1.2KW LDMOS Amplifier Board is a high-performance solution for HF and 6m band applications (160-6M). Designed for advanced users, it offers powerful performance and compatibility with a range of transistors, making it ideal for amateur radio enthusiasts and RF professionals. Specifications: Input Power: 1-3W. Output Power: 600-1250W. Operating Voltage: DC 48-53V. Current: 35A. PCB Dimensions: Front PCB: 43 x 90mm. Rear PCB: 92 x 90mm. Weight: 285g. Compatibility: Compatible with transistors including MRFX1K80, MRFX1K50, MRFE6VP61K25H, ART2K0FE, ART1K60, and BLF188XR. Key Features: High Power Output: Delivers up to 1250W output power for optimal performance across HF and 6m bands. Customizable Design: Includes input and output sections that allow for flexible transistor pairing. Adjustable Bias Voltage: Refer to the official PDF documentation to adjust bias voltage for precise operation. Wide Application: Suitable for amateur radio projects, RF experiments, and other high-frequency applications. Important Note: This product does not include transistors or heat sinks. Buyers must source compatible transistors and heat sinks separately. Advanced assembly and tuning are required; this product is recommended for experienced users or professionals. Package Includes: 1 x 1.2KW LDMOS Amplifier Board User Documentation Applications: Amateur radio projects HF and 6m band signal amplification RF signal enhancement