The RFLC301G15G25 from RF-Lambda is a Space Qualified Circulator with Frequency 1.5 to 2.5 GHz, Bandwidth 1000 MHz, Average Power 30 W, Average Power Forward 30 W(Power Handling), Insertion Loss 0.5 dB. Tags: Module with Connector, Coaxial Circulator. More details for RFLC301G15G25 can be seen below.