There is a thread that talks about the Atheros A/B/G one for $50.00http://www.netgate.com/product_info....c02795141994e4
5004 MP Atheros 4G: 802.11a/b/g miniPCI Card
This is the preferred card for Dell laptops due to the location of the antenna connectors.
Upto 108 Mbps
Wi-Fi Compliant, fully interoperable. Supports 802.11b, 802.11g, 802.11g Super Mode, 802.11a, 802.11a Turbo Mode.
Super G™ and Super A/G™ deliver wired speeds with backward compatibility
This Wistron Neweb CM-9 card is the miniPCI Type IIIb format which is the smaller miniPCI form factor, so this card should fit in miniPCI slots when the larger 5354 cards won't.
Two U.FL (MHF) antenna leads
Can be designed or embedded for OEM project/ embedded systems.
Supports Power Save mode, Wake on Wireless LAN (PC-OEM)
Full interoperability, feature and regulatory certification compliant
WHQL compliant (Microsoft)
Atheros AR5004 4th generation chipset. AR5213 (MAC+BB) + AR5112 (2.4/5GHz radio)
Variable Transmit Output (Maximum
802.11a 17 dBm
802.11g 18 dBm
802.11b 18 dBm all +/- 2dBm
802.11a: -88dB@ 6Mbps, -71dB @54Mbps
802.11g: -90dB@ 6Mbps, -74dB @54Mbps
802.11b: -95dB@ 1Mpbs, -90dB @11Mbps
WPA - 64, 128, 152-bit WEP data encryption
AES (Advanced Encryption Security) Support - AES-CCM & TKIP
IEEE 802.1x Authentication
Supports multi-country roaming (802.11d)
Fourth Generation (4G) Atheros baseband and radio
3.3V Operating Voltage
Transmission Power Control (TCP) to adjust RF output power.
Dynamic Freqency Selection (DFS) support - works in USA, Europe, Japan & China
Manufacturer Support of Windows ME, 2000, XP ONLY. No official support is provided for BSD or Linux (see below).
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)
New: OpenBSD now supports Atheros cards. See ath on this page.
New! Compatible with m0n0wall versions 1.2b5 and later only.