The RFLC404G5G6 from RF-Lambda is a Space Qualified Circulator with Frequency 5 to 6 GHz, Bandwidth 1000 MHz, Average Power Forward 50 W, Insertion Loss 0.350 dB, Isolation 20 dB. Tags: Drop-in, Drop-in Circulator. More details for RFLC404G5G6 can be seen below.