The T2YF1 from Sonoma Scientific is a RF & Microwave Isolator with Frequency 2.236 to 2.255 GHz, Average Power 1 W, Average Power Forward 1 W, Insertion Loss 0.7 dB, Isolation 20 dB. Tags: Module with Connectors, Coaxial Isolator. More details for T2YF1 can be seen below.