The CX8B1 from Sonoma Scientific is a RF & Microwave Isolator with Frequency 800 MHz to 1 GHz, Average Power 150 W, Average Power Forward 150 W, Insertion Loss 0.4 dB, Isolation 18 dB. Tags: Module with Connectors, Coaxial Isolator. More details for CX8B1 can be seen below.