The JID0900T1800UM0 from JQL Electronics is a RF & Microwave Isolator with Frequency 900 MHz to 1.8 GHz, Average Power Forward 5 W, Average Power Reverse 1 W, Insertion Loss 0.5 dB, Isolation 18 dB. Tags: Drop-In, Drop-In Isolator. More details for JID0900T1800UM0 can be seen below.