The SCZ3650L(R)1R from Partron is a RF & Microwave Isolator with Frequency 3.6 to 3.7 GHz, Average Power Forward 150 W, Insertion Loss 0.25 dB, Isolation 20 dB, Return Loss 20 dB. Tags: Surface Mount, Surface Mount Isolator. More details for SCZ3650L(R)1R can be seen below.