The PE83IR1013 from Pasternack Enterprises Inc is a RF & Microwave Isolator with Frequency 1 to 2 GHz, Average Power Forward 10 W, Average Power Reverse 2 W, Insertion Loss 1.2 dB, Isolation 36 dB. Tags: Module with Connector, Coaxial Isolator. More details for PE83IR1013 can be seen below.