Specifications Product Name Shortwave MOXON Antenna KitBase Plate Material 5mm epoxyBase Plate Dimensions 270mm x 140mmHole Design CNC machining for precise alignmentFixation Mechanism 2 5mm stainless steelAccessories 12 sets of U clamps with screws and nuts stainless steel Recommended Support Rod Diameter 20mmImpedance 50 ohmsMaximum Gain Approximately 6dBiFront to Back Ratio F B Over 25dBBandwidth WideRadiation Angle Greater than 70°Features 1 Precision Engineering The CNC machined base plate ensures precise hole positioning for easy and accurate assembly of your MOXON antenna saving time in setup 2 Enhanced Stability The 2 5mm stainless steel fixation mechanism and U clamps provide secure attachment for long lasting performance without compromising structural integrity 3 Exceptional Signal Properties Capable of impressive front to back ratio exceeding 25dB this antenna kit enables clear transmission and reception ideal for amateur radio contests and competitive use 4 Lightweight and Versatile Design Suitable for constructing on both high wave and lower band frequencies with adjustable support options including PVC pipes for portability and low cost builds 5 Wide Applicability Compatible with 20mm support rods or tubes accommodating various setups and customization to meet specific frequency requirements Package Included 1 x Shortwave MOXON Antenna Kit