Benefits:

• 802.11 b/g
• Upto 54 Mbps
• 100mW transmit power
• 802.11e standards supported for Wireless Multimedia Enhancement QoS
• Two U.FL (MHF) antenna leads (does NOT include antennas)
• Can be used in laptops or for OEM project/ embedded systems

Features:

• Advanced Security Features:
  • WEP
  • WPA: AES, 64, 128 bit WEP
  • WPA2 (IEEE 802.11i)
  • IEEE 802.1x Authentication
• Support for 802.11d,h, i, j including:
  • Multi-country roaming support
  • DFS/TPC: Dynamic Frequency Selection / Transmit Power Control for international operation
• support for 802.11e: QOS support for wireless multimedia enhancements
• Advanced Power Management features
• Manufacturer Support of Windows 2000, XP only. 
  No official support is provided for BSD or Linux (however, see madwifi below).

Specification:

• Supports all 802.11b and 802.11g data rates
• Type III-B miniPCI Card, 6.0 cm x 4.5 cm (L x B)
• U.FL antenna connectors on upper right corner
• Weight: 20 g
• Receive sensitivity: See specification sheet
• Current consumption: See specification sheet
• Operating Temperature: -20C to 70C

Drivers:

• Note the drivers for this card are currently available via Download only.
• Linux support via madwifi driver
• Download the FreeBSD driver or look in the kernel tree. See wi, atw, ath(4)
• OpenBSD now supports Atheros cards. See ath on this page to check for compatibility with the Atheros AR2413 chipset.

Additional information:

• Data Sheet PDF
• Support Information and FAQ
• Visual how to install in a laptop.
• DriverGuide.com Atheros Drivers
• RoHS compliance: yes. 
  Please see our RoHS FAQ and this external link regarding exempt products.
• Chipset: Atheros AR2413
• FCC ID: MK8CPX-05-WLM54G