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M5621DS2A 2T2R 802.11a/b/g/n/ac WiFi+B5.1 Module

  • UWE5621DS
  • 2.4/5GHz
  • 866Mbps
  • 2x2
  • 15*13*1.75mm
  • BL-M5621DS2A


  • V5.1 


  • 2T2R 

  • SDIO Interface 

  • Wi-Fi 5 (802.11ac) 


BL-M5621DS1A is a highly integrated Dual-band WLAN + Bluetooth v5.0 Combo module. It combines a 2T2R Dual-band WLAN subsystem and a Bluetooth v5.0 subsystem . This module compatible IEEE 802.11 a/b/g/n/ac standard and provides the maximum PHY rate up to 866Mbps, it supports BT / BLE dual mode with BT v5.0/v4.2/v2.1 compliant, offers feature-rich and lower cost  for STB 、OTT、IoT and automotive applications.


  • Operating Frequency: 2.4~2.4835GHz or 5.15~5.85GHz

  • IEEE 802.11 a/b/g/n/ac 2T2R with 20/40/80MHz bandwidth

  • Support MU-MIMO DL and Beamforming

  • Support BT Classic and BT Low Energy dual mode concurrent operation

  • High-speed 4-wire UART for BT and SDIO 3.0 Interface for WLAN

Block Diagram

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General Specifications

Module Name




WLAN Standard

IEEE 802.11 a/b/g/n/ac

Host Interface

SDIO3.0 for WLAN & UART interface for BT

Bluetooth Standards

Bluetooth Core Specification v5.0/4.2/2.1


Half hole PADS for external WLAN and BT Antennas


15.0*13.0*1.8mm (L*W*H)

Power Supply

DC 3.3±0.15V@1A(max) and DC 1.8±0.1V

Operation Temperature

-20℃ to +70℃

Operation Humidity

10% to 95% RH (Non-Condensing)

Product Dimension

截屏2024-06-14 08.40.19

Module dimension: 15.0*13.0*1.8mm(L*W*H; Tolerance: ±0.2mm)

Package Dimensions

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截屏2024-06-14 08.58.38

Package specification:

1. 1000 modules per roll and 5,000 modules per box.

2. Outer box size: 37.5*36*29cm.

3. The diameter of the blue environment-friendly rubber plate is 13 inches, with a total thickness of 28mm 

    (with a width of 24mm carrying belt).

4. Put 1 package of dry agent (20g) and humidity card in each anti-static vacuum bag.

5. Each carton is packed with 5 boxes.


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