Astatic (302-PDC2) SWR/RF/Field Strength Test Meter , Black

This compact 3-function test meter is designed to indicate the condition of any 52-ohm antenna and antenna coax used for CB radio operation by testing for Standing Wave Ratio (SWR), relative RF power, or field strength. It can be permanently installed in the antenna system without any measurable loss of power. Mounting bracket and hardware included.