The T1CJ3 from Sonoma Scientific is a RF & Microwave Isolator with Frequency 1.93 to 1.99 GHz, Average Power 10 W, Average Power Forward 10 W, Insertion Loss 0.5 dB, Isolation 50 dB. Tags: Module with Connectors, Coaxial Isolator. More details for T1CJ3 can be seen below.