SX-SDMAC Radio Module

802.11 a/b/g/n/ac Plus Bluetooth SDIO Wi-Fi Module

The Silex SX-SDMAC is a dual-band IEEE802.11a/b/g/n/ac WLAN plus Bluetooth 4.1 BR/EDR/BLE “Smart Ready” SDIO module based on the Qualcomm Atheros QCA9377 System-on-Chip (SoC).

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Top Features:

  • Dual Band SDIO Wi-Fi Module with 802.11ac WLAN plus BT 4.1
  • Supports Wave 2 MU-MIMO
  • Link Rate upto 433 Mbps
  • Bluetooth 4.1 BR/EDR/LE Smart Ready
  • Industrial Temperature Support
  • FCC/IC/CE/MIC Modular Certification

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The SX-SDMAC is designed for mission-critical applications in markets including industrial automation, healthcare, medical, environmental monitoring, warehouse, and logistics.

Its industrial temperature support, robust enterprise security and 802.11ac capabilities make it an ideal solution for applications like factory automation with demanding environmental conditions such as with extreme temperatures, dirt, dust, moisture, shock, and vibrations. Its low power consumption also makes it suitable for portable handheld devices.

Wireless Driver Options:

  • Linux (kernel 4.1)
  • Windows (WEC7, WEC2013, Win10/10IoT)
  • Android (Lollipop, Marshmallow, Nougat)

Features and Benefits:

  • Low Power Dual-Band 1x1 Module for Wi-Fi & BT
  • Based on the QCA9377-3 Chipset
  • 802.11 a/b/g/n/ac Wave 2 MU-MIMO
  • Bluetooth 4.1 BR/EDR/LE Smart Ready
  • SDIO 3.0 WLAN Host Interface
  • On-chip Power Management Unit (PMU)
  • Link Rate upto 433 Mbps
  • On-board and u.fl antenna options
  • Supports enterprise security, seamless roaming and CCX
  • Supports UART as the host IF of Bluetooth
  • Fine tuned calibration per module
  • FCC/IC/CE/MIC Modular Certification
  • Connector Mount and Surface Mount Versions
  • Pin Compatibility with SX-SDMAN Offers an Upgrade Path

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SX-SDMAC Block Diagram

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General Specifications




 Product Name

 SX-SDMAC-2830S (Surface Mount)

 SX-SDMAC-2831S (Surface Mount)

 SX-SDMAC-2831C (Connector Mount)



 Connector Type

 SMT : 60 pins direct solder pads

 B2B : 40 pins board to board connector

 Antenna Connectors

 2830 SKU - 1 u.FL + 1 Chip Antenna

 2831 SKU - 2 u.FL Antennas

 Antenna Configuration

  1x1 mode (1T1R)

 Device Interfaces

 SDIO v3.0 for Wi-Fi

 UART for Bluetooth

 RF Interface


 Bluetooth 4.1 BR/EDR/LE Smart Ready



  • SX-SDMAC-2830S: 19.00 x 30.00 x 2.4 mm
  • SX-SDMAC-2831S: 19.00 x 22.00 x 2.4 mm  


  • SX-SDMAC-2831C: 24.00 x 24.00 x 4.8 mm   

 Operating Temperature

 -40 to +85 °C Ambient


 90,000 hours

 Power Supply Voltage


 Modular Certifications


Click on the contents file below to download the latest documentation for your product.

Unless otherwise noted, the documentation is in PDF format and requires Adobe Acrobat Reader to view.

  • FCC/IC Grants and Test Reports (NDA Required)
  • CE Test Reports (NDA Required)
  • MIC Grant and Test Reports (NDA Required)             
Application Notes:

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