The RFLCX17G13G18 from RF-Lambda is a RF & Microwave Circulator with Frequency 1.35 to 1.85 GHz, Bandwidth 500 MHz, Average Power Forward 250 W, Average Power Reverse 250 W, Insertion Loss 0.3 dB. Tags: Coaxial Circulator. More details for RFLCX17G13G18 can be seen below.