The T1EG1 from Sonoma Scientific is a RF & Microwave Isolator with Frequency 1.6 to 1.7 GHz, Average Power 10 W, Average Power Forward 10 W, Insertion Loss 0.8 dB, Isolation 50 dB. Tags: Module with Connectors, Coaxial Isolator. More details for T1EG1 can be seen below.