The WVI-1995M-30BW01 from Wevercomm is a RF & Microwave Isolator with Frequency 1.98 to 2.01 GHz, Average Power Forward 2 W, Insertion Loss 0.3 dB, Isolation 20 dB, Operating Temperature -20 to 70 Degree C. Tags: Module with Connectors, Coaxial Isolator. More details for WVI-1995M-30BW01 can be seen below.