The JID1750T4250G0R from JQL Electronics is a RF & Microwave Isolator with Frequency 1.75 to 4.25 GHz, Average Power Forward 1 W, Average Power Reverse 1 W, Insertion Loss 1 dB, Isolation 15 dB. Tags: Drop-In, Drop-In Isolator. More details for JID1750T4250G0R can be seen below.