The T1XC1 from Sonoma Scientific is a RF & Microwave Isolator with Frequency 1.48 to 1.5 GHz, Average Power 0.5 W, Average Power Forward 0.5 W, Insertion Loss 1 dB, Isolation 30 dB. Tags: Module with Connectors, Coaxial Isolator. More details for T1XC1 can be seen below.