FIRESTIK 4ft II Heavy-Duty Antenna-5/8 Wave Black. .. Features of FIRESTIK 4ft II Heavy-Duty Antenna-5/8 Wave: Average tuned SWR - 1.5 Works on either single or dual antenna configurations Standard 3/8 x 24in thread All mode operation AM/FM/SSB and NOAA Alert Tunable Tip-Tune by hand no tools needed Static reduction cap eliminates up to 50percent of noise Recommend 18ft coax cable 5 Year Manufacturer Warranty 5/8 Wave Antenna Top Loaded Design Power Handling-900 Watts Package Contents: FIRESTIK 4ft II Heavy-Duty Antenna-5/8 Wave FIRESTIK FS4-B: 4ft II Heavy-Duty Antenna-5/8 Wave Black