The CU1L2581BT-2017-00 from TDK is a RF & Microwave Isolator with Frequency 2.01 to 2.025 GHz, Bandwidth 15 MHz, Average Power Forward 150 W, Average Power Reverse 70 W, Insertion Loss 0.25 dB. Tags: Drop-in, Drop-in Isolator. More details for CU1L2581BT-2017-00 can be seen below.