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M8731BS1-Q 1T1R 802.11a/b/g/n WiFi Module

  • RTL8731BS-VQ
  • SDIO
  • 2.4GHz/5GHz
  • 72.2Mbps
  • 1x1 1T1R
  • 12*12*1.9mm
  • BL-M8731BS1-Q


  • Without BT 


  • 1T1R 

  • SDIO Interface 

  • Wi-Fi 4 (802.11n) 


BL-M8731BS1-Q is a highly integrated dual-band WLAN module base on RTL8731BS-VQ-CG, which combines WLAN MAC, 1T1R Baseband and Radio in single chip. It compatible IEEE 802.11a/b/g/n standard and supports Maximum PHY rate up to 72.2Mbps. The module provides excellent WLAN performance and lower cost ideal for wireless network applications such as set-top boxes, OTT boxes, projectors.


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

  • Host Interface: SDIO 2.0 for WLAN

  • IEEE Standard: IEEE 802.11a/b/g/n

  • Wireless PHY rate can reach up to 72.2Mbps

  • Power Supply: 3.3V main power and 1.8V/3.3V I/O power

Block Diagram

屏幕截图 2024-06-13 144433

General Specifications

Module Name




WLAN Standards

IEEE802.11 a/b/g/n

Host Interface

SDIO 2.0 for WLAN


Connect to the external antenna through half hole


12.0*12.0*1.90mm (L*W*H)

Power Supply

DC 3.3V±0.2V @ 800 mA (Max)

DC 3.3V±0.2V or 1.8V±0.1V   I/O power supply

Operation Temperature

-20℃ to +70℃

Operation Humidity

10% to 95% RH (Non-Condensing)

Product Dimension

屏幕截图 2024-06-13 144453

Module dimension: 12.0*12.0*1.90mm (L*W*H; Tolerance: ±0.15mm)

Package Dimensions



Package specification:

1. 1,000 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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