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Antenna Impedance
Most dummy loads don't have the real world power capability needed by Ham operators who use a high-power amplifier
who are able to design RF circuits
Large unts
so there is no messy transformer oil to deal with
Relay 16A fast, coil 12 VDC Tool Antenna ImpedanceFast change over relay to replace vacuum relay in linear amplifier ( faster and more reliable than Vacuum Relay in linear amplifier ). This relay works well in QSK circuit and has very low loss for weak signals in reception. Also this relay works well in low temperature and we use it in our cellular phone controlled Relay box.
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