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Price: $159.00

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    Measures Relative Field Strength with your wattmeter.
    Replaces the discontinued Bird 4030

    Use your Bird Model 43 as a powerful relative field strength meter for sniffing out transmitters, antenna tuning, etc.
    1 to 1000 MHz. Compatible with 30uA meter instruments - Models 43, CDI 81000A, etc.

    Rubber BNC antenna included.

    No active components, no batteries required.