Description:
1. 4in1 Filter is a four-in-one filter that can be used with all popular receivers, radios, SDR and Malachite on the market.2. This product contains four sets of independent band-pass filters. The filters are divided into 4 frequency bands. The P1 filter is 0.5-1.5MHz, which is suitable for medium-wave radio listening. The P2 filter is 4.5-12MHz, which is suitable for short-wave low frequency. Frequency band, as well as the 40-meter amateur frequency band, the P3 filter is 12-30MHz, which meets the use of shortwave high-frequency bands, and the use of the 20-meter, 15-meter, and 10-meter amateur frequency bands. The P4 filter is the FM broadcast frequency, 88-108MHz. The four-in-one filter can be used with a one-to-four active splitter to provide pre-filter functions for SDRs, radios, and receivers.3. Malachite, pre-filter, makes up for the all-metal aluminum shell malachite radio design without pre-filter, reducing interference in frequency bands such as medium wave and short wave FM broadcasts. The filters are divided into four groups: 0.5-1.5MHz, 4.5-12MHz. 12-30MHz, 80-110MHz, can be used with a 1/4 splitter to achieve multi-channel and multi-band reception at the same time.

Features:
1. Versatile Functionality: The 4-in-1 Filter is versatile and compatible with all top-selling receivers, ensuring a great shopping value.
2. Optimal Frequency Filtration: The product comprises four separate band-pass filters addressing multiple frequency bands for maximum reception.
3. Suitable for Amateur Frequencies: It is designed for specific amateur frequency bands, making it an ideal choice for hobbyists.
4. Pre-Filter Functionality: This filter can operate as a pre-filter for SDRs, radios, and receivers, enhancing their performance.
5. Reduction of Interference: It helps in reducing interference from medium wave shortwave FM broadcasts.

Package Include:
1x 4-in-1 LC Filter