The RDC-10-182-75X+ from Mini Circuits is a Directional Coupler with Frequency 5 to 1800 MHz, Coupling 10 dB, Coupling Variation ±0.5 dB, Directivity 10 to 20 dB, Average Power 1.0 W. Tags: Surface mount. More details for RDC-10-182-75X+ can be seen below.