The WVI-457.5M-15BW01 from Wevercomm is a RF & Microwave Isolator with Frequency 450 to 465 MHz, Average Power Forward 1 W, Insertion Loss 0.6 dB, Isolation 45 dB. Tags: Module with Connectors, Coaxial Isolator. More details for WVI-457.5M-15BW01 can be seen below.