The CX9D1 from Sonoma Scientific is a RF & Microwave Isolator with Frequency 962 MHz to 1.213 GHz, Insertion Loss 0.71 dB, Isolation 18 dB, Operating Temperature 0 to 50 Degree C. Tags: Module with Connectors, Coaxial Isolator. More details for CX9D1 can be seen below.