4 in 1 Multi-band Simultaneous SDR Radio Passive Filter, 49x45x19mm Option:49x45x19mm 45inch * 9

45inch * 9

help quick positioning

Output 5V/60MA

Support wide-angle lens shooting to provide a larger field of view

4 in 1 Multi-band Simultaneous SDR Radio Passive Filter, 49x45x19mm Option:49x45x19mm 45inch * 91. This product includes four independent bandpass filters, divided into four frequency bands: P1 filter (0. 5 1. 5MHz) for AM radio reception; P2 filter (4. 5 12MHz) for shortwave low frequency bands and the 40 meter amateur band; P3 filter (12 30MHz) for shortwave high frequency bands and the 20 meter, 15 meter, and 10 meter amateur bands; and P4 filter for FM broadcast frequencies (88 108MHz). 2. Can be used with a 1 to 4 active splitter to provide