The U 750 DDJCCW from Southern Microwave Inc is a RF & Microwave Circulator with Frequency 725 to 775 MHz, Average Power Forward 200 W, Average Power Reverse 200 W, Insertion Loss 0.5 dB, Isolation 45 dB. Tags: Drop-in Circulator. More details for U 750 DDJCCW can be seen below.