The VDC-20180A20 from VidaRF is a Directional Coupler with Frequency 2 to 18 GHz, Coupling 20 dB, Directivity 15 dB, Average Power 50 W, Operating Temperature -55 to 85 Degree C. Tags: Module with Connectors. More details for VDC-20180A20 can be seen below.