The T1XD5 from Sonoma Scientific is a RF & Microwave Isolator with Frequency 1.9 to 2.3 GHz, Average Power 1 W, Average Power Forward 1 W, Insertion Loss 0.4 dB, Isolation 23 dB. Tags: Module with Connectors, Coaxial Isolator. More details for T1XD5 can be seen below.