The RFLC313G21G24 from RF-Lambda is a Space Qualified Circulator with Frequency 2.1 to 2.4 GHz, Bandwidth 300 MHz, Average Power Forward 10 W, Average Power Reverse 1 W, Insertion Loss 0.5 dB. Tags: Module with Connector, Coaxial Circulator. More details for RFLC313G21G24 can be seen below.