The Anatel 2504-09-3987 is not a specific brand of driver but rather a certification number issued by the Brazilian National Telecommunications Agency (ANATEL) for various wireless hardware components. This specific number is most commonly associated with the Ralink RT3090 or Atheros AR5B195 wireless modules found in laptops from manufacturers like Toshiba, Lenovo, and Acer. How to Identify and Install the Correct Driver

Introduction

1. What is this hardware?

Despite the name "Anatel," this is not a wireless card manufactured by a company called Anatel.

In summary: You have a generic, budget-friendly Wi-Fi adapter that was certified for the Brazilian market.

Atheros (Qualcomm): Look for Qualcomm Atheros wireless drivers on sites like Lenovo Support or Dell Support.

The Anatel 2504-09-3987 is typically an internal PCIe Mini Card used in various laptop models from the early 2010s. To find the correct driver, you must identify the underlying chipset. This specific Anatel certification number is most commonly associated with (now Qualcomm Atheros) or Atheros AR5B95:

7. Manufacturer and Importer Obligations