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WM821-M MiniPCI Module
Introduction
The WM821-M 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 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 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 em-
bedded device or in any computer running Microsoft® Windows 2000, or XP. The WM821-M 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
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mPCI 32 interface.
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Draft IEEE 802.11n compatible.
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Backward compatible with IEEE 802.11a/b/g standard.
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Wire-free access to networked resources from anywhere beyond the desktop.
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Delivers data rates up to 300 Mbps.
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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.
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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.
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Uses 2.4GHz and 5GHz frequency band, complying with regulatories worldwide
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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.
Chapter 1
1
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