The WVI-850M-300BW01 from Wevercomm is a RF & Microwave Isolator with Frequency 700 MHz to 1 GHz, Average Power Reverse 10 W, Insertion Loss 0.8 dB, Isolation 15 dB, Operating Temperature -10 to 70 Degree C. Tags: Module with Connectors, Coaxial Isolator. More details for WVI-850M-300BW01 can be seen below.