MOReal supports reducing circuits from DC to the terahertz range. MOReal supports different model order reduction modes based on what frequency the user is interested in. MOReal takes sparameter analyses as an approach for making sure that the reduced network matched the extracted netlists. Some extraction tools produce reduced circuits that either work from DC, zero frequency, to a high operating frequency, which is called a wideband extraction or operate at one frequency point, which is a narrowband extraction. MOReal supports reducing these two types of extracted circuits.