Features: Experience crystal clearaudiowith the 20m30m40mcw Ssb Low pass Filter Lpf, designed to eliminate unwanted frequencies and enhances sound. Perfect for radio andTV broadcasting enthusiasts. This low pass filter features a frequency rangeof 7MHz, 10MHz, and 14MHz, allowing you to customize your audioexperience and eliminate interference from higherfrequencies. Designed for SSB CW15W and PEP20W power, this low pass filter is for amateur radio operators and audioenthusiasts who demand high performancesequipment. Whether you're setting up a home studio or participating in radio competitions, the compact size of 85mmx37.5mm (without connectors) makes it easy to integrate this low pass filter into any audiosetup. Take your audioexperience to the next level with the CW SSB low pass filter. Enhances the clarityof your favorite music, podcasts, or broadcasts, and enjoy an immersive soundexperience like never before. Specifications: Frequency: 7MHz 10MHz 14MHz Power: SSB CW15W PEP20W Size: approx 85mmx37.5mm/3.35x1.47in (excluding joints) Package Includes: 1PC CW SSB Low-pass Filter note: Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand. Please allow 0-1cm error due to the manual measurment.