The WVI-859M-70BW01 from Wevercomm is a RF & Microwave Isolator with Frequency 824 to 894 MHz, Average Power Forward 20 W, Average Power Reverse 15 W, Insertion Loss 0.4 dB, Isolation 20 dB. Tags: Module with Connectors, Coaxial Isolator. More details for WVI-859M-70BW01 can be seen below.