4-in-1 Filter LC Filter Passive Filter for Receivers Radio SDR

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