SWR Power Meter SX20/RX20/AV20 Amateur Ham Radio 3.5MHz - 200MHZ HF/VHF + LEAD .

ACCURACY 10% AT FULL SCALE. PLUS 50cm PATCH LEAD. SENSITIVITY 3W FOR FULL SCALE DEFLECTION. POWER 0 - 30W / 0 - 300W SWITCHED. SOCKETS SO-239.

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