The T2YZ1 from Sonoma Scientific is a RF & Microwave Isolator with Frequency 2.3 to 2.7 GHz, Average Power 3 W, Average Power Forward 3 W, Insertion Loss 0.3 dB, Isolation 20 dB. Tags: Module with Connectors, Coaxial Isolator. More details for T2YZ1 can be seen below.