Mini-Circuits ZFDC Coaxial 50Ω Directional Couplers provide wideband performance from an overall range of 0.1MHz to 2000MHz with 17dB to 30dB directivity. The ZFDC components are packaged in a rugged shielded case with a K18 case style. Mini-Circuits ZFDC Coaxial 50Ω Directional Couplers operate in a -55°C to +100°C temperature range and are ideal for communication receivers/transmitters, cellular, and instrumentation applications.