The SDFA147150AA from Sangshin is a RF & Microwave Circulator with Frequency 1475 to 1500 MHz, Average Power Forward 200 W, Insertion Loss 0.18 to 0.22 dB, Isolation 22 to 26 dB, Return Loss 22 to 26 dB. Tags: Drop-in Circulator. More details for SDFA147150AA can be seen below.