The CX2J1 from Sonoma Scientific is a RF & Microwave Isolator with Frequency 220 to 405 MHz, Average Power 10 to 40 W, Average Power Forward 10 to 40 W, Insertion Loss 0.9 dB, Isolation 16 dB. Tags: Module with Connectors, Coaxial Isolator. More details for CX2J1 can be seen below.