The RDC-16-182-75+ from Mini Circuits is a Directional Coupler with Frequency 5 to 1800 MHz, Coupling 16.3 dB, Coupling Variation ±0.9 dB, Average Power 2.0 W, Insertion Loss 0.9 to 1.6 dB. Tags: Surface mount. More details for RDC-16-182-75+ can be seen below.