The JID0144T0148EM10 from JQL Electronics is a RF & Microwave Isolator with Frequency 144 to 148 MHz, Average Power Forward 100 W, Average Power Reverse 100 W, Insertion Loss 0.4 dB, Isolation 20 dB. Tags: Drop-In, Drop-In Isolator. More details for JID0144T0148EM10 can be seen below.