A wearable dual-port button antenna that excites pattern-diversity dual-polarized waves is proposed for on-/off-body applications. Its simple structure comprises of two radiators and a common ground plane designed into two substrates. The crossed-dipole radiator is made by two symmetric bowtie dipoles printed on a circular-shaped semi-rigid substrate. which covers an ultra-wideband (U... https://www.parisnaturalfoodes.shop/product-category/vitamin-d3-1000iu/