The RI3538XS-0.95-1.45 from ZTS Technologies is a RF & Microwave Isolator with Frequency 0.95 to 1.45 GHz, Average Power Forward 100 W, Average Power Reverse 20 W, Insertion Loss 0.6 dB, Isolation 16 dB. Tags: Module with Connector, Coaxial Isolator. More details for RI3538XS-0.95-1.45 can be seen below.