The JID17K3T18K4CM0 from JQL Electronics is a RF & Microwave Isolator with Frequency 17.3 to 18.4 GHz, Average Power Forward 1 W, Average Power Reverse 0.5 W, Insertion Loss 0.5 dB, Isolation 19 dB. Tags: Drop-In, Drop-In Isolator. More details for JID17K3T18K4CM0 can be seen below.