The JID1580T1810M10 from JQL Electronics is a RF & Microwave Isolator with Frequency 1.58 to 1.81 GHz, Average Power Forward 100 W, Average Power Reverse 100 W, Peak Power Forward 0.5 kW, Insertion Loss 0.35 dB. Tags: Drop-In, Drop-In Isolator. More details for JID1580T1810M10 can be seen below.