User's Manual

Wireless USB Adapter
20
ENCRYPTION
The 40-bit WEP keys can be set for four different keys : Key #1, Key
#2, Key #3 and Key #4.
Make sure that WEP Key to use is the same for each point on the
network. The None mode is to disable the WEP.
The WEP Mode field is set the WEP mode of the point being
searched.
The Mandatory mode is set that the point must enable WEP. The
Optional mode is set that the point needn’t enable WEP.
The Authentication Type field is set the type of authentication
service. The Open System mode is for any USB adapter. The Share
Key mode is for the USB adapter who knows a shared secret key.
Wireless USB Adapter
21
ADVANCED
The Advanced screen allows you to set the Preamble Type,
Fragmentation Threshold and RTS/CTS Threshold.
The Preamble Type field is set for the length of preamble. The Long
mode is set for 128 bits. The Short mode is set for
The Fragmentation Threshold field is set for the length of the
fragment. Each fragment is a frame no larger than the Fragmentation
Threshold.
The RTS/CTS Threshold field is set for the length threshold. A USB
adapter shall use an RTS/CTS exchange for directed frames only
when the length of the MPDU is greater than the length threshold.