Supported Chipsets
Comprehensive overview of MediaTek Wi-Fi chipsets supported by the mt76 driver.
Chipset Families
| Family |
Chipsets |
Wi-Fi Standard |
Description |
| mt7921 |
MT7920, MT7921, MT7922 |
Wi-Fi 6E |
Client devices |
| mt7925 |
MT7925, RZ717 |
Wi-Fi 7 |
Client devices (this project) |
| mt7915 |
MT7915, MT7916 |
Wi-Fi 6 |
Access points |
| mt7996 |
MT7996, MT7992 |
Wi-Fi 7 |
High-end AP |
MT7925 (Wi-Fi 7)
| Specification |
Value |
| Wi-Fi Standard |
802.11a/b/g/n/ac/ax/be |
| MIMO |
2T2R |
| Frequency Bands |
2.4/5/6 GHz |
| Max PHY Rate |
BE3600 (3600 Mbps) |
| Interface |
PCIe / USB |
| Form Factor |
M.2 (NGFF) |
| Kernel Support |
Linux 6.0+ |
Features
- Multi-Link Operation (MLO)
- Enhanced High Throughput (EHT)
- 320 MHz channel width (where available)
- Integrated Bluetooth 5.3+
Device IDs
| ID |
Device |
0x7925 |
MT7925 |
0x0717 |
RZ717 (Framework variant) |
Firmware Files
mediatek/mt7925/WIFI_RAM_CODE_MT7925_1_1.binmediatek/mt7925/WIFI_MT7925_PATCH_MCU_1_1_hdr.bin
Known Issues
Stability Issues
The MT7925 has known stability issues that this project addresses. See Known Issues.
MT7921 Family (Wi-Fi 6E)
| Specification |
Value |
| Wi-Fi Standard |
802.11a/b/g/n/ac/ax |
| MIMO |
2T2R |
| Frequency Bands |
2.4/5/6 GHz |
| Max PHY Rate |
AX1800 |
| Interface |
PCIe / USB / SDIO |
| Kernel Support |
Linux 5.12+ |
Device IDs
| ID |
Device |
0x7961 |
MT7921 |
0x7922 |
MT7922 |
0x7920 |
MT7920 |
Common Usage
- Modern laptops (Dell, Lenovo, Framework)
- Desktop Wi-Fi cards
- USB adapters
Technical Comparison
Architecture Generations
| Generation |
Chipsets |
Key Features |
| Gen 3 |
MT7915, MT7921 |
Wi-Fi 6, connac MCU |
| Gen 4 |
MT7925, MT7996 |
Wi-Fi 7, MLO, connac3 MCU |
Interface Support
| Chipset |
PCIe |
USB |
SDIO |
| MT7921 |
|
|
|
| MT7925 |
|
|
|
| MT7996 |
|
|
|
Band Support
| Chipset |
2.4 GHz |
5 GHz |
6 GHz |
| MT7921 |
|
|
(6E) |
| MT7925 |
|
|
(7) |
Driver Architecture
Shared Components
MT7921 and MT7925 share common infrastructure:
- Core in
mt792x_core.c
- Common MCU protocol
- Unified DMA handling
- Shared power management
Chipset-Specific Code
| Directory |
Purpose |
mt7921/ |
MT7921-specific MAC, MCU, init |
mt7925/ |
MT7925-specific MAC, MCU, init |
mt792x_*.c |
Shared library code |
M.2 NGFF Modules
Modern laptop form factor used by MT7921 and MT7925.
- M.2 Key A/E
- Sizes: 2230, 1216
USB Dongles
External adapter form factor.
- USB 2.0/3.0 compatible
- MT7921U, MT7925U variants
References