The JI2C1800T2000S1 from JQL Electronics is a RF & Microwave Isolator with Frequency 1.8 to 2 GHz, Average Power Forward 100 W, Average Power Reverse 10 W, Insertion Loss 0.5 dB, Isolation 40 dB. Tags: Module with Connector, Coaxial Isolator. More details for JI2C1800T2000S1 can be seen below.