Micronta Field Strength - SWR Tester Cat. No. 21-525B

Micronta Field Strength and SWR Tester - No Cords. Untested

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TECHCESSORIES Field Strength and SWR Tester

Radio Shack MICRONTA Field Strength and SWR Tester 21-525B working

micronta Field Strength, Tester, Meter Radioshack

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Vintage Radio Shack Micronta 21-525B Field Strength/SWR Tester, Tested & Working