The T2BW3 from Sonoma Scientific is a RF & Microwave Isolator with Frequency 2.6 to 2.7 GHz, Average Power 0.1 W, Average Power Forward 0.1 W, Insertion Loss 0.4 dB, Isolation 20 dB. Tags: Module with Connectors, Coaxial Isolator. More details for T2BW3 can be seen below.