The T8XQ1 from Sonoma Scientific is a RF & Microwave Isolator with Frequency 8 to 12.4 GHz, Insertion Loss 0.5 dB, Isolation 20 dB, Operating Temperature -54 to 60 Degree C. Tags: Module with Connectors, Coaxial Isolator. More details for T8XQ1 can be seen below.