The JIC3100T3600FS1 from JQL Electronics is a RF & Microwave Isolator with Frequency 3.1 to 3.6 GHz, Average Power Forward 10 W, Average Power Reverse 10 W, Insertion Loss 0.4 dB, Isolation 20 dB. Tags: Module with Connector, Coaxial Isolator. More details for JIC3100T3600FS1 can be seen below.