The SM1214T01 from QUEST Microwave is a RF & Microwave Isolator with Frequency 1.2 to 1.4 GHz, Average Power Forward 75 W, Average Power Reverse 10 W, Insertion Loss 0.4 dB Max., Isolation 20 dB Min.. Tags: Module with Connector, Coaxial Isolator. More details for SM1214T01 can be seen below.