The CX3A1 from Sonoma Scientific is a RF & Microwave Isolator with Frequency 390 to 480 MHz, Average Power 5 to 500 W, Average Power Forward 5 to 500 W, Insertion Loss 0.5 dB, Isolation 18 dB. Tags: Module with Connectors, Coaxial Isolator. More details for CX3A1 can be seen below.