The SCD1960L(R)4B from Partron is a RF & Microwave Isolator with Frequency 1.93 to 1.99 GHz, Average Power Forward 150 W, Insertion Loss 0.25 dB, Isolation 21 dB, Return Loss 21 dB. Tags: Surface Mount, Surface Mount Isolator. More details for SCD1960L(R)4B can be seen below.