The SR0812T01 from QUEST Microwave is a RF & Microwave Isolator with Frequency 8 to 12.4 GHz, Average Power Forward 5 W, Average Power Reverse 1 W, Insertion Loss 0.4 dB Max., Isolation 20 dB Min.. Tags: Module with Connector, Coaxial Isolator. More details for SR0812T01 can be seen below.