The RFLC401G04G05N from RF-Lambda is a Space Qualified Circulator with Frequency 4.4 to 4.95 GHz, Bandwidth 550 MHz, Average Power Forward 50 W, Average Power Reverse 5 W, Insertion Loss 0.50 dB. Tags: Drop-in, Drop-in Circulator. More details for RFLC401G04G05N can be seen below.