6m thru 80m Vertical Antenna Transmits HF Frequencies 6 Meter - 80 Meters! Straight Vertical, No Radials, Easy To Install. Approx. 25ft Tall , Has U-Clamps to Attach To Any Optional Mast Pipe. Requires an Optional Length of Coaxial Cable with a PL-259 Connector. Use with Any Manual or Automatic Tuner.