Product Features: Four-in-One Design: This innovative device combines four individual band-pass filters within one compact unit, making it an all-in-one solution for various frequency needs. Wide Frequency Range: The filter covers a broad spectrum of frequencies, making it versatile for different applications: Filter P1: 0.5-1.5 MHz - Ideal for medium-wave radios. Filter P2: 4.5-12 MHz - Suitable for short-wave low frequency and 40-meter amateur use. Filter P3: 12-30 MHz - Perfect for short-wave high-frequency and 20 meters, 15 meters, 10 meters amateur use. Filter P4: 88-108 MHz - Designed for FM broadcasting frequencies. Passive Filter: Operates without an additional power source, enhancing energy efficiency, reliability, and reducing maintenance needs. Compatibility: Designed to work seamlessly with a 1-to-4 active distributor, offering pre-filtering functions for SDRs, radios, and receivers. Functional Versatility: Helps prevent signal interference, enhancing the performance of your primary receiver. Specifications: Design: 4-in-1 filter Type: LC, Passive Filter Frequency Range: Filter P1: 0.5-1.5 MHz Filter P2: 4.5-12 MHz Filter P3: 12-30 MHz Filter P4: 88-108 MHz Compatibility: 1-to-4 active distributor, SDRs, radios, receivers Package Includes: 1 x 4-in-1 Filter
