LINKSYS WM821M Users Manual
WM821-M-LS MiniPCI Module
Wireless 802.11N dual-band mini PCI module
WM821-M-LS
User Manual
Rev 1.0
WM821-M-LS MiniPCI Module
Federal Communication Commission Interference Statement
This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant
to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful
interference in a residential installation. This equipment generates, uses and can radiate radio frequency
energy and, if not installed and used in accordance with the instructions, may cause harmful interference
to radio communications. However, there is no guarantee that interference will not occur in a particular
installation. If this equipment does cause harmful interference to radio or television reception, which can
be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one of the following measures:
- Reorient or relocate the receiving antenna.
- Increase the separation between the equipment and receiver.
- Connect the equipment into an outlet on a circuit different from that
to which the receiver is connected.
- Consult the dealer or an experienced radio/TV technician for help.
FCC Caution: Any changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate this equipment.
This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions:
(1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
IMPORTANT NOTE:
FCC Radiation Exposure Statement:
This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment.
This equipment should be installed and operated with minimum distance 20cm between the radiator &
your body.
This transmitter must not be co-located or operating in conjunction with any other antenna or transmitter.
Operations in the 5.15-5.25GHz band are restricted to indoor usage only
IEEE 802.11b or 802.11g operation of this product in the U.S.A. is firmware-limited to channels 1 through
11.
WM821-M-LS MiniPCI Module —Introduction
This device is intended only for OEM integrators under the following conditions:
1) The antenna must be installed such that 20 cm is maintained between the antenna and users, and
2) The transmitter module may not be co-located with any other transmitter or antenna,
3) For all products market in US, OEM has to limit the operation channels in CH1 to CH11 for 2.4G band
by supplied firmware programming tool. OEM shall not supply any tool or info to the end-user regarding to Regulatory Domain change.
As long as 3 conditions above are met, further transmitter
OEM integrator is still responsible for testing their end-product for any additional compliance requirements required with this module installed (for example, LVD TV… etc.).
test will not be required. However, the
IMPORTANT NOTE: In the event that these conditions can not be met
configurations or co-location with another transmitter), then the FCC authorization is no longer considered valid and the FCC ID can not
integrator will be responsible for re-evaluating the end product (including the transmitter) and obtaining a separate FCC authorization.
be used on the final product. In these circumstances, the OEM
(for example certain laptop
End Product Labeling
This transmitter module is authorized only for use in device where the antenna may be installed such
that 20 cm may be maintained between the antenna and users. The final end product must be labeled in a visible area with the following: “Contains FCC ID: Q87
-WM821M”.
Manual Information To the End User
The OEM integrator has to be aware not to provide information to the end user regarding how to install or remove this RF module in the user’s manual of the end product
which integrates this module.
The end user manual shall include all required regulatory information/warning as show in this manual.
ii
Preface
Canadian Regulatory Notice
This device complies with RSS-210 of the Industry Canada Rules. Operation is subject to the following two conditions:
1) this device may not cause interference and
2) this device must accept any interference, including interference that may cause undesired operation of the device
Caution:
The device for the band 5150-5250 MHz is only for indoor usage to reduce potential for harmful interference to co-channel mobile satellite systems.
IMPORTANT NOTE:
IC Radiation Exposure Statement:
This equipment complies with IC radiation exposure limits set forth for an uncontrolled environment.
This equipment should be installed and operated with minimum distance 20cm between the radiator
and your body.
iii
WM821-M-LS MiniPCI Module —Introduction
Table of contents
Introduction 1
Hardware installation 3
Using the Wireless Utility 4
iv
WM821-M-LS MiniPCI Module
Chapter 1
Introduction
The WM821-M-LS is a dual-band, quad-mode wireless network adapter that works on all the frequencies allocated for WLAN operation everywhere in the world. It is in compliance with the Draft
IEEE802.11n standard in a 2x3 MIMO configuration. It also complies with the IEEE 802.11a, 802.11g,
and 802.11b standards. WM821-M-LS features the compactness and high bus speed of the Mini PCI
specifications which gives users of laptops, notebooks, tablet PCs, and other mobile computing devices
transparent Internet access anywhere in the world through any Wi Fi network without software changes
or additional hardware.
Able to provide greater than 100Mbps real world throughput using high-speed spatial multiplexing
modes, the WM821-M-LS provides the freedom to work as you wish, wherever you wish, using whatever kind of application you wish to use. The adapter installs directly in any host device with a Mini PCI
slot: just plug it in and you’re ready to access local resources and/or the Internet at the highest speed
the WLAN, the location, and the host computer can provide. It is ready to work “out of the box” in any
embedded device or in any computer running Microsoft® Windows 2000, or XP. The WM821-M-LS
Mini PCI Card is truly a “must-have” for every productivity-sensitive laptop, notebook, or tablet PC user
and any bandwidth-sensitive embedded design..
.
Features
• mPCI 32 interface.
• Draft IEEE 802.11n compatible.
• Backward compatible with IEEE 802.11a/b/g standard.
• Wire-free access to networked resources from anywhere beyond the desktop.
• Delivers data rates up to 300 Mbps.
• 802.11n: Dynamically shifts among 130, 117, 104, 78, 52, 39, 26 and 13Mbps in a 20MHz band-
width and 300, 243, 216, 162, 108, 81, 54 and 27Mbps in a 40MHz bandwidth, based on signal
strength, for maximum availability and reliability of connection.
• 802.11a/g: Dynamically shifts between 54, 48, 36, 24, 18, 12, 9 and 6 Mbps network speed, based
on signal strength, for maximum availability and reliability of connection.
• 802.11b: Dynamically shifts between 11M, 5.5M, 2M, and 1 Mbps network speed, based on signal
strength, for maximum availability and reliability of connection.
• Supports 802.11h (DFS) power adjustment (11a mode only).
• Allows users move between Access Points without resetting the connection reconfigurations.
• Three ultra-mini connectors with for diversity antennae.
• Uses 2.4GHz and 5GHz frequency band, complying with regulatories worldwide
• Supports most popular operating systems: Window 2000/XP. Linux support is also available.
• Ensures great security by providing the 64/128 bits Wired Equivalent Privacy (WEP) and WiFi Pro-
tected Access (WPA) defined in the IEEE standard.
• WPA support. Radius clients in EAP-TLS, EAP, TTLS, EAP-LEAP, EAP, PEAP.
• WPA2, WMM-compliant.
• WiFi-Protected Setup(WPS)-supported
WiFi-Protected Setup(WPS)-supportedWhat is Wireless LAN?
Wireless Local Area Network (WLAN) systems offer a great number of advantages over traditional wired
systems. WLANs are flexible and easy to setup and manage. They are also more economical than
wired LAN systems.
1
WM821-M-LS MiniPCI Module —Introduction
Using radio frequency (RF) technology, WLANs transmit and receive data through the air. WLANs combine data connectivity with user mobility. For example, users can roam from a conference room to their
office without being disconnected from the LAN.
Using WLANs, users can conveniently access shared information, and network administrators can configure and augment networks without installing or moving network cables.
WLAN technology provides users with many convenient and cost saving features:
• Mobility: WLANs provide LAN users with access to real-time information anywhere in their or-
ganization, providing service opportunities that are impossible with wired networks.
• Ease of Installation: Installing is easy for novice and expert users alike, eliminating the need to
install network cables in walls and ceilings.
• Scalability: WLANs can be configured in a variety of topologies to adapt to specific applications
and installations. Configurations are easily changed and range from peer-to-peer networks suitable for a small number of users to full infrastructure networks of thousands of users roaming
over a broad area.
2
Chapter 2
Hardware installation
This chapter covers how to installing the Wireless MiniPCI Module in your embedded system.
Hardware description
The Wireless MiniPCI Module has a standard MiniPCI interface for attaching to the MiniPCI connector on embedded system.
And this module has IPEX connector to connect to external antenna.
Outlook
Following is the MiniPCI module outlook
Figure 1: MiniPCI module outlook
3
Chapter 3
Using the Wireless Utility
This module also come with a wireless utility, following describe how to use the utility.
Configuration Utility
The Client Card Configuration Utility allows configuration of WM821-M high throughput client cards through the following tabs:
• Network Status—displays the status of the network to which the
user is connected. The Configuration Utility
initializes on this page.
• Profile Manager—displays the current profiles and allows the user to set
attributes for network type, security options, and
protocols, as well as create/modify/delete profiles.
• Site Survey—displays site survey information.
• Statistics—displays the statistics of the current session.
• Advanced—used to set protocol parameters.
• AutoLink—to set AutoLink connection
• Admin—used to import and export profiles.
3.1 Network Status Tab
The Network Status tab displays the status of the network. When the Wireless client card Configuration Utility initializes, it displays
the Network Status tab.
Figure 2 :Network Status tab
3.1.1 Select Profile
The Select Profile section displays the name of the profile in use. Additional information about the profile is provided in the Profile
Manager.
Select one of the profiles previously defined by clicking the down arrow and highlighting a profile from the pull-down list.
Figure 3: Select Profile Section
4
Appendix B Error Messages of Enabler Program
Figure 3: Select Profile
Profiles are created, modified, and deleted through the ProfileManager.
Note
This feature is disabled when Windows Zero Configuration Utility is enabled.
3.1.2 Link Information
The Link Information section contains the current information about the wireless connection. Figure 4: Link Information Sec-
tion
Figure 4: Link Information Section
Table 1:Link Information
Field Description
Status Status of the wireless network connection:
Network SSID Network SSID label (i.e., Network Name). The Network Name is a text string of up to
• Card Unplugged Client card is not plugged in, or client card is plugged in but not recognized.
• Connected
Client card is plugged in and connected to a wireless network.
• No Connection
Client card is plugged in, but no wireless connection.
• No Radio
Client card is plugged in, but the radio is turned off. Clear the Radio Off check box to turn the radio on.
• Scanning for Scanning for available APs and wireless stations in the area.
Network Type
5
32 characters.
Type of environment connected to:
formation through APs. When a wireless client communicates with another, it transmits to the AP. First the AP
receives the information and rebroadcasts it, then other devices receive the information. The APs are strategically located within an area to provide optimal coverage for wireless clients. A large WLAN uses multiple APs to
provide coverage over a wide area. APs can connect to a LAN through a wired Ethernet connection. APs send
and receive information from the LAN through the wired connection.
• Infrastructure Mode In this mode, wireless clients send and receive in-
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