Overview Reviews Product Description Reads RMS and Peak PowerMeasures Modulation PercentageMeasures Antenna SWRMeasures SSB ModulationDOSY Professional ArchitectureLarge 4 1/2 inch MeterFour Watt Ranges: 0 - 20, 0 - 200, 0 - 2000 and 0 - 4000 Product Videos Custom Field Product Reviews Write a Review Write a Review × Dosy TC-4001 4,000 Watt SWR/Mod/Watt Meter Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *