The T1XT1 from Sonoma Scientific is a RF & Microwave Isolator with Frequency 1 to 2 GHz, Average Power 2 W, Average Power Forward 2 W, Insertion Loss 1.2 dB, Isolation 36 dB. Tags: Module with Connectors, Coaxial Isolator. More details for T1XT1 can be seen below.