The 22kHz pulse switch was developedto generate 22Khz pulses on the outpud connector of a LNBF (Low Noise Block and Feeder). This pulse is used to switch the LNBF from the low band to the high band. It posses two F connectors and DC passage possibility, all you need to do is put it before the LNBF and put its switch on the “ON” position.
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