The JID20K1T21K2CM0 from JQL Electronics is a RF & Microwave Isolator with Frequency 20.1 to 21.2 GHz, Average Power Forward 1 W, Average Power Reverse 1 W, Insertion Loss 0.6 dB, Isolation 20 dB. Tags: Drop-In, Drop-In Isolator. More details for JID20K1T21K2CM0 can be seen below.