The SCB3500L(R)1B from Partron is a RF & Microwave Isolator with Frequency 3.4 to 3.6 GHz, Average Power Forward 200 W, Insertion Loss 0.25 dB, Isolation 22 dB, Return Loss 21 dB. Tags: Surface Mount, Surface Mount Isolator. More details for SCB3500L(R)1B can be seen below.