The HD33218 from HD Communications Corp is a RF & Microwave Isolator with Frequency 0.728 to 0.96 GHz, Average Power Reverse 100 to 150 W, Insertion Loss 0.5 dB, Isolation 18 dB, Operating Temperature -30 to 70 Degree C. Tags: Drop-In Isolator. More details for HD33218 can be seen below.