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Wireless LAN (WiFi) and Bluetooth* Module

Last Reviewed: 22-Feb-2016
Article ID: 000005490

The wireless LAN (WiFi) and Bluetooth* module, included with certain Intel® Desktop Boards, allows you to connect to wireless networks and Bluetooth devices.

The module is an MSI MS-3871 WLAN 802.11b/g/n 1T1R BT2.1 EDR Combo Slim Module. It is a USB 2.0-based device and connects to a USB header on the board.


Features and specifications

Wi-Fi features:

  • Compatible with IEEE 802.11n. Specifications provides wireless speed up to 150 Mbps receive and 150 Mbps transmit data rate
  • Backward compatible with IEEE 802.11g high rate standard to provide wireless Ethernet speeds of 54 Mbps data rate
  • Design based on the USB Rev. 2.0 Specification
  • Supports Legacy, Mixed and Green Field modes
  • Supports 20 MHz/40 MHz Bandwidth for high throughput applications
  • Supports wireless data authorization and encryption with 64/128-bit WEP, WPA, WPA2, TKIP,
  • AES, 802.1X and Cisco CCX standards for security
  • Supports 802.11e standard as QoS-WMM and WMM-PS for more multimedia applications

Bluetooth features:

  • Compatible with Bluetooth v2.1 specification
  • EDR (Enhanced Data Rate) compliant
  • Supports AFH (Adaptive Frequency Hopping)
  • Supports eSCO (extended SCO)
  • Forward and backward compatible with Bluetooth v1.1, v1.2 and v2.0


Installing the Module in a Desktop Chassis
The recommended installation procedure for a typical desktop chassis is as follows:

  1. Make sure that the system is turned off and disconnected from its power source.
  2. Remove the plastic cover from an empty 5-1/4 inch drive bay in the chassis bezel (A). If the drive bay cover is metal, coverage range may be limited.
  3. Remove the metal filler plate from the internal drive bay (B).
  4. Remove the paper backing covering the adhesive on the back of the WiFi/Bluetooth Module and attach the module to the back side of the plastic drive bay cover (C).
  5. Connect one end of the USB cable to the connector on the front of the module (D).
  6. Reinstall the plastic drive bay cover in the chassis bezel while routing the USB cable into the chassis through the empty drive bay (E).
  7. Connect the free end of the USB cable to an unused front panel USB header on the Desktop Board (F).

Installing the Module in a Desktop Chassis

Installing Drivers
The latest wireless LAN (WiFi) and Bluetooth* drivers are available (separately) on Download Center. After installing the drivers, Device Manager will show the following entries:
Device manager

Connect to a WiFi Network
To connect your PC to a wireless network:

  1. Click the Network Connection icon on the Windows* taskbar.
  2. Click an available network and then click the Connect button. If the wireless network is secured, you will be prompted to enter the SSID and network password.
  3. Follow all prompts in the connection wizard.

connection wizard

Using Bluetooth*
Bluetooth* allows you to do any of the following:

  • Use a Bluetooth mouse, keyboard, gamepad or printer to eliminate cables.
  • Transfer files between your PC and Bluetooth devices, such as cell phones or PDAs.
  • Listen to music from your PC over Bluetooth stereo headphones.
  • Make a Voice-over-IP (VOIP) phone call over a Bluetooth headset.

My Bluetooth (Manager)
To open the Bluetooth manager, right-click the Bluetooth icon on the status bar:
Right-click Bluetooth icon

Example of detected devices in the My Bluetooth manager:
Detected devices

The Bluetooth manager features include:

  • Search for Devices – refreshes the list of nearby Bluetooth devices (can also use F5).
  • Bluetooth Neighborhood – view connected and paired devices.
  • My Bluetooth Settings – view or change Bluetooth settings of the computer.
  • My Received Files – open folder containing files received via Bluetooth.

Pressing F1 when in the Bluetooth manager screen opens the Bluetooth manual for details on all of the features.

Additional information

WiFi Wiki
How WiFi Works
Bluetooth Wiki
How Bluetooth Works