Exactly.

Miracast is a standard for audio and video transmission defined by the Wi-Fi Alliance and is supported by Android from 4.2.1. However, this does not guarantee that the hardware actually supports it. You can check whether your phone supports Wi-Fi Certified Miracast on this page.
https://www.wi-fi.org/product-fi...
You must use the manufacturer's name of the device for the search, not the model name on the market.