User Manual

802.11 b/g Wireless LAN Mini-PCI Adapter
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Note: Actual receive sensitivity for individual products may vary based on manufacturing
process and environmental variations
Antenna Specifications
The Mini-PCI adapter is available in two variants: unique coax connectors with diversity
function.
On-Board Diversity Switch
This variant of the Mini-PCI Card has connectors for two external passive antennas: MAIN and
AUX. One of the antennas is used for transmission, and the DSP selects which of the two to
use for reception, based on signal strength.
The coax connectors for the antennas are mechanically unique, so that no off-the-shelf
connector will fit (FCC requirement).
Switch electronics for selection between the two antennas for reception of the stronger receive
signal is provided onboard.
Security
At the physical layer, transmissions are encrypted using WEP; three levels of encryption are
possible：
•
40-bit key plus 24-bit initialization vector
•
104-bit key plus 24-bit initialization vector
•
128-bit key plus 24-bit initialization vector
AES, TKIP, WPA draft 802.11i are supported.
Attacks have been made on WEP by exploiting various weaknesses. The Mini-PCI Card
implements random setting of the initialization vector and utilizes WEPplus, which prevents
initialization vectors that result in weak keys being used. WEPplus is completely compatible
with WEP.
For those operating systems that support it either natively or with an add-on supplement (i.e,
Windows
98,
Windows
98SE,
Windows ME
,
Windows
2000,
Windows XP
, the 802.1x,
WPA/TKIP SSN security standard are implemented. This offers port-based network access
control, and automatic key distribution.
Software/Driver
Due to 16-bit architecture is not suitable for current Windows OS (Win98;Win2K;WinXP) , so it
only support Linux’s based driver.
Driver for WiFi is pre-tested under Ver.3.90.11.0.
Performance
Table 1. Characteristics at Different Rates
The real operating range will be different by measurement environment and condition.