The T1GY2 from Sonoma Scientific is a RF & Microwave Isolator with Frequency 1.3 to 2.9 GHz, Average Power 1 W, Average Power Forward 1 W, Insertion Loss 0.5 dB, Isolation 16 dB. Tags: Module with Connectors, Coaxial Isolator. More details for T1GY2 can be seen below.