The T1XD6 from Sonoma Scientific is a RF & Microwave Isolator with Frequency 1.65 to 2.05 GHz, Average Power 1 W, Average Power Forward 1 W, Insertion Loss 0.5 dB, Isolation 20 dB. Tags: Module with Connectors, Coaxial Isolator. More details for T1XD6 can be seen below.