The T1CV6 from Sonoma Scientific is a RF & Microwave Isolator with Frequency 1.551 to 1.601 GHz, Average Power 100 W, Average Power Forward 100 W, Insertion Loss 0.3 dB, Isolation 20 dB. Tags: Module with Connectors, Coaxial Isolator. More details for T1CV6 can be seen below.