The CX8B21 from Sonoma Scientific is a RF & Microwave Isolator with Frequency 850 MHz to 1.7 GHz, Average Power 100 W, Average Power Forward 100 W, Insertion Loss 1.1 dB, Isolation 36 dB. Tags: Module with Connectors, Coaxial Isolator. More details for CX8B21 can be seen below.