Xterasys Wireless LAN Card You can set the number of retries if no, station, the factory default

Fragment Threshold	To fragment MSDU or MMPDU into small sizes of
	frames for increasing the reliability of frame (The
	maximum value of 4096 means no fragmentation is
	needed) transmission. The performance will be
	decreased as well, thus a noisy environment is
	recommended.
RTS Threshold	This value should remain at its default setting of
	4096. Should you encounter inconsistent data
	flow, only minor modifications of this value are
	recommended.
Preamble	A preamble is a signal used in wireless environment
	to synchronize the transmitting timing including
	Synchronization and Start frame delimiter. (Note: If
	you want to change the Preamble type into Long or
	Short, please check the setting of AP.)
Authentication	The authentication type defines configuration
	options for the sharing of wireless networks to
	verify identity and access privileges of roaming
	wireless network cards.
	You may choose between Open System, Shared
	Key, and Auto Switch.
	Open System: If the Access Point is using "Open
	System" authentication, then the wireless adapter
	will need to be set to the same authentication type.
	Shared Key: Shared Key is when both the sender
	and the recipient share a secret key.
	Auto Switch: Select Auto Switch for the adapter to
	select the Authentication type automatically
	depending on the Access Point Authentication type.
Retry limits	You can set the number of retries if no
	acknowledgement appears from the receiving
	station.
Antennas	To set the type of the antenna
	Tx Antenna：Antenna2 (Use	the factory default)
	RX Antenna：Both (Use	the factory default)
802.11g version	This section is enabled only with G-Only
	Mode

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