The VCI-180220 from VidaRF is a RF & Microwave Isolator with Frequency 18 to 22 GHz, Average Power Forward 25 W, Insertion Loss 0.5 dB, Isolation 20 dB, Operating Temperature -54 to 85 Degree C. Tags: Module with Connector, Coaxial Isolator. More details for VCI-180220 can be seen below.