The LRDC-20-2J+ from Mini Circuits is a Directional Coupler with Frequency 300 MHz to 1.1 GHz, Coupling 21.1 to 22.27 dB, Directivity 14.24 to 18.46 dB, Power 2 W, Average Power 2 W. Tags: Surface Mount. More details for LRDC-20-2J+ can be seen below.