The 2735D0180-01 from Crane Aerospace & Electronics is a RF & Microwave Isolator with Frequency 19.7 to 21.7 GHz, Average Power 1 W, Average Power Forward 1 W, Average Power Reverse 1 W, Peak Power Forward 0.01 kW. Tags: Drop-In Isolator. More details for 2735D0180-01 can be seen below.