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Retail: $185.00
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    Measures Relative Field Strength with your wattmeter.

    Similar to the Bird 4030 FS meter.

    This sensor does not have an amplifier, it is for relatively larger signals.

    Use your Bird Model 43 as a relative field strength meter for sniffing out transmitters, antenna tuning, etc. 1 to 1000 MHz.

    Compatible with 30uA meter instruments - Bird Model 43, CDI 81000A, etc.

    An antenna is not included.

    No active components, no batteries required.