The 10-40 meter high performance groundplane freestanding vertical antenna is a rugged multiband vertical antenna. This vertical antenna has no lossy traps or coils to burn out. Super wide bandwidth means more time operating ,and less time stuck on a frequency your trap vertical is tuned for. Designed for hams that do not have room for ground radials.This vertical antenna has 6 ridged aluminum radials 100 inches long each, and can be mounted at any height between 6 to 10 feet off the ground for best performance. Total height is 29 feet from top to bottom. The element and radials are made from T-832 seamless aircraft aluminum tubing. The CNC machined base tube is made from 2 1/4 inch 1/4 wall T-6 extruded aluminum tubing, and the mounting pegs for the radials are Tig welded to ensure a good electrical connection.The base insulator is Fully CNC machined from solid Black Delrin rod for excellent insulation and full legal limit power handling, Comes complete matching transformer and mounting plate with leads. You can view the installation tips manual attached above. Bands of operation —10/12/15/17/20/30/40 meters with full bandwidth. Recommended length of rg-213 coax is 75 feet for best tuning.This product has a 8 to 10 day lead time till shipping, and The buyer must sign for this item upon delivery.