The T1CJ2 from Sonoma Scientific is a RF & Microwave Isolator with Frequency 1.805 to 1.88 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 T1CJ2 can be seen below.