The CU1S2252AT-881-00 from TDK is a RF & Microwave Isolator with Frequency 869 to 894 MHz, Bandwidth 25 MHz, Average Power Forward 110 W, Average Power Reverse 100 W, Insertion Loss 0.25 dB. Tags: Surface Mount, Surface Mount Isolator. More details for CU1S2252AT-881-00 can be seen below.