The DI-1500-474 from RF & Noise Components is a RF & Microwave Isolator with Frequency 1.3 to 1.7 GHz, Average Power Forward 250 W, Average Power Reverse 100 W, Insertion Loss 0.35 to 0.4 dB, Isolation 20 to 23 dB. Tags: Drop-In, Drop-In Isolator. More details for DI-1500-474 can be seen below.