Features: The CN-20 amplifier adapter seamlessly integrates with XPA125B power amplifiers and FT818ND/FT817ND transceivers, enhancing stability and transmission through construction. This adapter maintaining consistent sound during extended high frequency operations. Designed for amateur radio operators and outdoor enthusiasts who require cable tuning for portable communication setups in remote locations. Ideal for field operations, mobile deployments, and communication scenarios where stable transmission is critical for clear voice/data exchange. Its compact design enables effortless integration with compatible devices, ensuring cable matching adjustments without compromising equipment portability. Specifications: Component:Circuit Board Size:Approx.15x14cm/5.51x5.91inch Package Includes: 1 Set CN-20 Adapter note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.