MFJ Enterprises Original MFJ-259CM 470KHz - 230MHz HF/VHF/220 Antenna / SWR / RF Analyzer w/ LCD, Counter & Meters Like MFJ-259C except the bottom band covers 470-940 KHz for Maritime and 600 Meter bands. Accurately measure distance to short or open in failed coax. Measure length of a roll of coax, coax loss, velocity factor and impedance. Adjust your antenna tuner for a perfect 1:1 match without creating QRM. MFJ-259C is a complete ham radio test station with frequency counter, RF signal generator, SWR/Resistance/Reactance/Coax Analyzer, Capacitance/Inductance Meter and much more! Use 10 AA or Ni-MH batteries (not included) or 110 VAC with optional MFJ-1312D.