The TC-4001 inline 4,000 watt test meter measures RMS and Peak Power, Antenna SWR, Modulation Percentage and SSB Modulation. Features a large 4-1/2" meter for easy viewing and provides four wattage settings, 0 - 20, 0 - 200, 0 - 2000 and 0 - 4000. Unit dimensions are approximately 10"L x5"W x5"H. Does not include a jumper coax. If you want a jumper coax, check out the PP8XX and select the length you need.