The ISA018021AB from 3Rwave is a RF & Microwave Isolator with Frequency 180 to 210 MHz, Average Power Forward 200 W, Average Power Reverse 100 W, Insertion Loss 0.5 to 0.7 dB, Isolation 15 to 20 dB. Tags: Drop-In Isolator. More details for ISA018021AB can be seen below.