The WR19 to 1.85mm adapter is a high-performance waveguide-to-coax transition, engineered for reliable operation in millimeter-wave applications. Designed for frequencies covering the WR19 band, this adapter ensures excellent return loss, low insertion loss, and precise mechanical alignment. Perfect for use in test & measurement setups, radar systems, satellite communications, and research labs. Built with premium materials like passivated stainless steel for the coax connector and high-quality aluminum or copper waveguide, ensuring long-term stability and superior RF performance. For more info - https://flexirf.com/products/w....r-19-to-1-85mm-femal