The SCHA340360AA from Sangshin is a RF & Microwave Circulator with Frequency 3400 to 3600 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 SCHA340360AA can be seen below.