The shortwave positive V-rod antenna base has been reduced in size compared to before, making it more convenient to carry, and uses an M (SO-239) to directly connect the feeder line. The base plate is made of 5mm epoxy board CNC cutting and punching, which is sturdy and has excellent insulation. The antenna interface is M female, and the pull rod interface is M10. The common 5.6 meter stainless steel pull rod can be screwed on. After connecting the 5.6 meter pull rod, by adjusting the length of the pull rod, it can work at 14-54MHz and withstand power of 200w. It is recommended to install it at a height of 3 meters or more. The fixed parts are all made of national standard 304 stainless steel fasteners, and the center black fixed rod is processed by a solid aluminum alloy overall CNC lathe. The is knurled and anodized, with 1/4 and 3/8 inch internal threads at both ends. It can be fixed on common photography tripods or lamp racks. To prevent high-frequency current backflow on the outer skin of the feeder, a simple hollow can be wound around the feeder near the antenna end, as shown in the figure. The light brackets, feeders, and pull rods mentioned in this product description are all used as demonstrations. This link only includes the base. Please purchase other parts yourself. It is recommended that the height of the light bracket be around 3meter or higher for better results. Colour:Photo Color Material:Epoxy board + stainless steel Package Contents: 1 x Antenna Base Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.