The T2AB1 from Sonoma Scientific is a RF & Microwave Isolator with Frequency 2.566 to 2.766 GHz, Average Power 2 W, Average Power Forward 2 W, Insertion Loss 0.2 dB, Isolation 20 dB. Tags: Module with Connectors, Coaxial Isolator. More details for T2AB1 can be seen below.