The T1HS1 from Sonoma Scientific is a RF & Microwave Isolator with Frequency 1.24 to 2.9 GHz, Average Power 1 W, Average Power Forward 1 W, Insertion Loss 0.8 dB, Isolation 13 dB. Tags: Module with Connectors, Coaxial Isolator. More details for T1HS1 can be seen below.