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M7661LS1 2T2R 802.11a/b/g/n/ac WiFi+B5.0 Module

  • MT7661LSN
  • SDIO
  • 2.4/5GHz
  • 867Mbps
  • 2x2 2T2R
  • 13.1*15.1*2.6mm
  • BL-M7661LS1


  • V5.0 


  • 2T2R 


  • Wi-Fi 5 (802.11ac) 


The BL-M7661LS1 is a highly integrated 2T2R 802.11a/b/g/n/ac Wireless LAN (WLAN) network and Bluetooth combo module. The module’s interface is SDIO1.1/2.0/3.0. It combines a WLAN MAC, a 2T2R capable WLAN base band. Bluetooth support 5.0 performance. The BL-M7661LS1 module provides a complete solution for a high throughput performance integrated WLAN and BT device.


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

  • Host Interface is SDIO3.0 (comply with SDIO2.0)

  • IEEE Standards: IEEE 802.11a/b/g/n/ac

  • Support 20/40M bandwidth in 2.4G band and 20/40/80M bandwidth in 5G band

  • Wireless data rate can reach up to 867Mbps

  • Supports Bluetooth v5.0 and Compatible Bluetooth v4.2

  • Connect to external antenna through the half hole pad

  • Power Supply: 3.3V main power , 1.8or3.3V I/O power supply.

Block Diagram


General Specifications

Module Name




WLAN Standard

IEEE 802.11 a/b/g/n/ac

BT Specification

Bluetooth Core Specification v5.0/4.2

Host Interface

Host Interface is SDIO3.0(comply with SDIO 2.0)


Connect to the external antennas through the half hole pad


13.10*15.10*2.6mm (L*W*H)

Power Supply

DC 3.3V±0.3V @ 1200 mA (Max) main power

Operation Temperature

-20℃ to +70℃

Operation Humidity

10% to 95% RH (Non-Condensing)

Product Dimension


Module dimension: 13.10*15.10*2.6mm(L*W*H; Tolerance: ±0.15mm)

Package Dimensions



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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