The ECC6700S7400AFF from ECHO Microwave is a RF & Microwave Circulator with Frequency 6.7 to 7.4 GHz, Average Power Forward 1 W, Insertion Loss 0.4 dB, Isolation 20 dB, Operating Temperature -40 to 70 Degree C. Tags: Coaxial Circulator. More details for ECC6700S7400AFF can be seen below.