The CI-1150-077 from RF & Noise Components is a RF & Microwave Isolator with Frequency 1.1 to 1.2 GHz, Average Power Forward 250 W, Average Power Reverse 100 W, Insertion Loss 0.2 to 0.25 dB, Isolation 23 to 26 dB. Tags: Module with Connector, Coaxial Isolator. More details for CI-1150-077 can be seen below.