M7921AU1 2T2R 802.11a/b/g/n/ac/ax WiFi+B5.2 Module

MT7921AUN
USB 3.0
2.4/5GHz
1201Mbps
2x2 2T2R
27*17.8*2.5mm

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Model:
BL-M7921AU1
Brand:
LB-LINK
Bluetooth:
V5.2
Chip Manufacturer:
MediaTek
Interface:
USB3.0 Interface
Wi-Fi Standard:
Wi-Fi 6E (802.11ax)

Product Description

BL-M7921AU1: Tri-Band Wi-Fi 6 + Bluetooth 5.4 USB 3.0 Module

Powered by MediaTek MT7921AUN | 1200Mbps | 2.4G+5G+6G | Industrial-Grade Reliability

Introduction

BL-M7921AU1 is a highly integrated triple-band WLAN + Bluetooth-compatible v5.4 combo module. It integrates a 2T2R triple-band WLAN subsystem and a dual-mode short-range wireless subsystem compliant with Bluetooth v5.4 core specification. This module complies with the IEEE 802.11a/b/g/n/ac/ax (Wi-Fi) standard and delivers a maximum PHY rate of up to 1200 Mbps. It supports Classic BR/EDR and Low Energy (BLE) operation modes, and is backward compatible with Bluetooth v4.2 and v2.1+EDR specifications. This design provides high-standard feature-rich wireless connectivity, along with reliable, cost-effective and high-throughput performance over an extended transmission distance.

Product Specifications

Item	Details
Module Model	BL-M7921AU1
Chipset	MediaTek MT7921AUN
Wi-Fi Standard	IEEE 802.11a/b/g/n/ac/ax (Wi-Fi 6E)
Bluetooth Version	v5.4 / 4.2 / 2.1 (Classic + BLE Dual Mode)
Speed	Up to 1200Mbps
Frequency Band	2.4GHz + 5GHz + 6GHz Tri-Band
Interface	USB 3.0 / USB 2.0
Antenna	IPEX for WLAN; Half-hole PAD for BT
Dimension	27.0 × 17.8 × 2.5 mm
Power Supply	DC 3.3V±0.2V, Peak 1.8A
Operating Temp	-20℃ to +70℃

Block Diagram

Product Dimension

Module dimension: 27.0*17.8*2.5mm(L*W*H; Tolerance: ±0.3mm_L/W, ±0.2mm_H)
IPEX / MHF-1 connector dimension: 2.6*3.0*1.2mm (L*W*H, Ø2.0mm)

Key Features & Advantages

Tri-Band Wi-Fi 6 High Speed

2.4G/5G/6G full band support, 2T2R MIMO, 80MHz bandwidth, MU-MIMO & OFDMA for stable multi-device connections.

Bluetooth 5.4 Dual Controller

Dual BT design, better coexistence with Wi-Fi, longer range, lower power, high stability for audio & IoT sensors.

USB 3.0 High-Speed Interface

Up to 800Mbps throughput, plug-and-play, easy integration, compatible with USB 2.0 for wide application.

Ultra-Compact Size

Only 27×17.8×2.5mm, fits small spaces, ideal for compact smart devices & industrial terminals.

Industrial-Grade Reliability

Wide temperature range, ESD 3KV protection, low PER, high RF isolation, 24/7 stable working.

Fast Development & Low Cost

Complete technical support, shorten R&D cycle, reduce BOM cost, faster mass production & certification.

Typical Applications

Smart Home: Gateways, IP cameras, speakers, displays
Industrial IoT: Terminals, wireless controllers, IoT gateways
Automotive: In-car infotainment, telematics systems
Multimedia: HD players, set-top boxes, projectors
Portable Devices: Tablets, robotics, drones

Why Choose BL-M7921AU1?

All-in-one combo: Wi-Fi 6 + BT5.4 in one module
Tri-band future-proof: 2.4G+5G+6G full coverage
1200Mbps high-speed, low latency, no lag
USB 3.0 plug & play, easy hardware design
Industrial-level stability, long service life
Cost-effective, save R&D time & cost

Contact Us for Solutions & Samples

Package Dimensions

Package specification:
1. 900 modules per roll and 3,600 modules per box.
2. Outer box size: 39.5*38*35cm.
3. The diameter of the blue environment-friendly rubber plate is 13 inches, with a total thickness of 48mm (with a width of 44mm carrying belt).
4. Put 1 package of dry agent (20g) and 1 PC humidity card in each anti-static vacuum bag.
5. Each carton is packed with 4 boxes.