The JIS18K0T20K0G0 from JQL Electronics is a RF & Microwave Isolator with Frequency 15 to 17.5 GHz, Average Power Forward 1 W, Average Power Reverse 1 W, Insertion Loss 0.8 dB, Isolation 17 dB. Tags: Microstrip, Microstrip Isolator. More details for JIS18K0T20K0G0 can be seen below.