The VDCI-1818 from VidaRF is a RF & Microwave Isolator with Frequency 1.8 to 1.88 GHz, Average Power Forward 150 W, Average Power Reverse 10 W, Insertion Loss 0.6 dB, Isolation 50 dB. Tags: Module with Connector, Coaxial Isolator. More details for VDCI-1818 can be seen below.