The ATc0.95-1.2 from Narda-ATM is a RF & Microwave Circulator with Frequency 950 MHz to 1.225 GHz, Average Power Forward 2 W, Peak Power 500 W, Insertion Loss 0.35 to 0.4 dB, Isolation 20 to 22 dB. Tags: Coaxial Circulator. More details for ATc0.95-1.2 can be seen below.