The SDHA257262AB from Sangshin is a RF & Microwave Circulator with Frequency 2570 to 2620 MHz, Average Power Forward 175 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 SDHA257262AB can be seen below.