- Four-in-One Filter System: This versatile filter system pairs seamlessly with an active one-in-four distributor, offering a pre-filter function for SDR, radio, and receiver applications. - Independent Bandpass Filters: The product features four independent bandpass filters, each designed for specific frequency bands: - Filter P1 (0.5-1.5 MHz): Ideal for medium wave reception. - Filter P2 (4.5-12 MHz): Perfect for shortwave low-frequency bands and the 40-meter amateur band. - Filter P3 (12-30 MHz): Suited for shortwave high-frequency bands, including 20, 15, and 10-meter amateur bands. - Filter P4: Designed for VHF applications. - Compatibility with SDR Malachite Receivers: This filter system is compatible with all popular SDR Malachite receiver radios, ensuring optimal performance and functionality. - Applications: - Enhance your medium wave listening experience with Filter P1 for clear reception. - Use Filter P2 for amateur radio communications on the 40-meter band or for shortwave listening. - Employ Filter P3 to engage in high-frequency amateur radio operations or to access a broader range of shortwave frequencies. - Utilize Filter P4 for VHF communications, making it ideal for various broadcasting needs. - High-Quality Performance: Each filter is designed for reliable performance, ensuring quality reception across diverse frequency bands. - Compact and Easy to Use: The compact design allows for easy integration into your existing radio setup without compromising space. This four-in-one filter system is a practical solution for radio enthusiasts and professionals looking to enhance their listening and communication capabilities.