User Guide

MT7921

Install User Guideline: Part-I

Confidential B

This document contains information that is proprietary to MediaTek Inc.

Unauthorized reproduction or disclosure of this information in whole or in part is strictly prohibited.

1 System overview

1.1 General Description

MT7921K chip is highly integrated single chip which have built in 2x2 dual-band wireless LAN and Bluetooth

combo radio. WiFi works on the ISM band, which means many other devices such as microwave oven, radar, and

Bluetooth use the same frequencies and channels with WiFi devices.

Therefore, governments make regulations to avoid interference between devices. The specifications include

usable channels, scan rule, and transmit power.