Product Identification
This document summarizes the Specific Absorption Rate (SAR) compliance testing for the MediaTek MT7921, a 2TX 11ax (WiFi6) + BLE Combo Card. The testing was conducted on a sample integrated within a Lenovo Notebook Computer.
- Brand: MediaTek
- Model Name: MT7921
- FCC ID: RAS-MT7921
- Manufacturer: MEDIATEK Inc.
Testing Overview
The report details the adherence of the device to FCC regulations concerning radio frequency (RF) exposure limits. The testing procedures followed industry standards, including FCC 47 CFR Part 2, ANSI/IEEE C95.1-1992, IEEE 1528-2013, and relevant FCC KDB guidelines.
- Testing Conducted: Specific Absorption Rate (SAR) measurements for body exposure.
- Testing Laboratory: Sporton International Inc. Wensan Laboratory.
- Test Dates: January 11, 2022 (receipt) to January 22, 2022 (completion).
Key Findings
The testing confirmed that the MediaTek MT7921 card, within the tested Lenovo notebook configuration, meets the specified SAR limits for the general population/uncontrolled exposure. The report provides detailed SAR values for various Wi-Fi and Bluetooth transmission modes.
- Maximum reported 1g SAR for 2.4GHz WLAN: 0.49 W/kg.
- Maximum reported 1g SAR for 5GHz WLAN: 0.20 W/kg.
- Maximum reported 1g SAR for Bluetooth: 0.08 W/kg.
- Maximum simultaneous transmission 1g SAR: 1.03 W/kg.
The device demonstrates compliance with FCC requirements for RF exposure.
