The JI2C0380T0450N3 from JQL Electronics is a RF & Microwave Isolator with Frequency 380 to 450 MHz, Average Power Forward 50 W, Average Power Reverse 50 W, Insertion Loss 0.7 dB, Isolation 40 dB. Tags: Module with Connector, Coaxial Isolator. More details for JI2C0380T0450N3 can be seen below.