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MT7921LEN/B is listed in the RF Transceiver ICS range at ChipApex. The manufacturer field lists MediaTek. Its product description is 802.11 A/B/G/N/AC/AX WI-FI 2T2R. Review the specifications below when checking this part for your BOM.
RF Transceiver ICS specifications for MT7921LEN/B
- Description：802.11 A/B/G/N/AC/AX WI-FI 2T2R
- Series：-
- Mfr：MediaTek
- Package：Tray
- Type：TxRx + MCU
- RF Family/Standard：Bluetooth, WiFi
- Protocol：802.11a/b/g/n/ac/ax, Bluetooth v5.2
- Modulation：-
- Frequency：2.4GHz ~ 5GHz
- Data Rate (Max)：-
- Power - Output：-
- Sensitivity：-
- Memory Size：-
- Serial Interfaces：PCIe, SDIO, UART, USB
- Voltage - Supply：3.3V
- Current - Receiving：-
- Current - Transmitting：-
- Operating Temperature：-10°C ~ 70°C
- Mounting Type：Surface Mount
- Package / Case：109-VFQFN Dual Rows, Exposed Pad
- Supplier Device Package：109-DRQFN (11.5x8.7)
- GPIO：-
- Grade：-
- Qualification：-
RF Transceiver ICS datasheet and documents for MT7921LEN/B
RF Transceiver ICS Overview
The MediaTek MT7921LEN/B is a highly integrated RF System on a Chip (SoC) featuring a low-power 2x2 dual-band Wi-Fi subsystem compliant with IEEE 802.11 a/b/g/n/ac/ax standards and a Bluetooth v5.3 subsystem. It operates within the 2.4GHz and 5GHz frequency ranges, supporting bandwidths of 20MHz, 40MHz, and 80MHz. The device integrates a 32-bit RISC MCU for protocol handling, embedded SRAM/ROM, and a high-efficiency power management unit requiring a single 3.3V supply. Host interfaces include PCIe (v2.1 compliant), SDIO, and USB.
RF Transceiver ICS Feature Summary
- Supports Wi-Fi 6 (802.11ax) with MU-MIMO RX and DBDC capabilities
- Integrates Bluetooth v5.3 with LE Isochronous Channel support
- Includes integrated LNA, PA, T/R switch, and balun
- Features a 32-bit RISC MCU for Wi-Fi and Bluetooth protocols
RF Transceiver ICS Applications
- Wi-Fi 6 enabled laptops and desktops
- Smart home IoT devices requiring dual connectivity
- Mobile handsets and tablets
- Industrial gateways and routers
RF Transceiver ICS Procurement Notes
Verify the specific suffix 'B' against the official datasheet to confirm pinout and package compatibility. Ensure the host system supports PCIe v2.1 and provides a stable 3.3V power rail. Confirm regulatory certifications for the target region prior to integration. Check moisture sensitivity levels for proper storage and reflow soldering profiles.
RF Transceiver ICS Selection Notes
Select this component for applications requiring simultaneous dual-band Wi-Fi and Bluetooth connectivity in a compact form factor. The integrated power management and radio components reduce external BOM complexity. Consider the DRQFN package size constraints and thermal requirements during PCB layout design.
RF Transceiver ICS Part Context
This part belongs to the MediaTek MT7921 family of combo chips. It serves as a successor or variant to earlier Wi-Fi 5 solutions, offering enhanced throughput and efficiency through Wi-Fi 6 standards. The chip consolidates wireless functions into a single die, simplifying system architecture for consumer electronics manufacturers.
RF Transceiver ICS Replacement Considerations
Public confirmed substitute part numbers are not available in the provided documentation. Verify cross-compatibility with existing designs carefully, as interface configurations and pinouts may differ between variants.
Explore related parts through RF and Wireless, all product categories, ChipApex homepage.
