The WVI-915M-90BW01 from Wevercomm is a RF & Microwave Isolator with Frequency 870 to 960 MHz, Average Power Forward 10 W, Average Power Reverse 10 W, Insertion Loss 0.4 dB, Isolation 20 dB. Tags: Module with Connectors, Coaxial Isolator. More details for WVI-915M-90BW01 can be seen below.