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| Open System network. |
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| Wired Equivalent Privacy (WEP) data encryption is |
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| used when the wireless devices are configured to |
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| operate in Shared Key authentication mode. |
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| If the Access Point is using Open System, then the |
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| wireless adapter will need to be set to the same |
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| authentication mode. |
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| Shared Key is used when both the sender and the |
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| recipient share a secret key. |
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| Select Auto for the network adapter to select the |
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| Authentication mode automatically depending on the |
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| Access Point Authentication mode. |
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| Fragment Threshold | Fragmentation mechanism is used for improving |
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| the efficiency when high traffic flows along in the |
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| wireless network. If your 802.11g Wireless LAN |
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| PC Card often transmit large files in wireless |
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| network, you can enter new Fragment Threshold |
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| value to split the packet. The value can be set |
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| from 256 to 2346. The default value is 2346. |
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| RTS Threshold | RTS Threshold is a mechanism implemented to |
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| prevent the “Hidden Node” problem. “Hidden Node” |
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| is a situation in which two stations are within range of |
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| the same Access Point, but are not within range of |
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| each other. Therefore, they are hidden nodes for |
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| each other. When a station starts data transmission |
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| with the Access Point, it might not notice that the |
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| other station is already using the wireless medium. |
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| When these two stations send data at the same time, |
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| they might collide when arriving simultaneously at |
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| the Access Point. The collision will most certainly |
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| result in a loss of messages for both stations. |
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| Thus, the RTS Threshold mechanism provides a |
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| solution to prevent data collisions. When you enable |
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| RTS Threshold on a suspect “hidden station”, this |
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| station and its Access Point will use a Request to |
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| Send (RTS). The station will send an RTS to the |
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| Access Point, informing that it is going to transmit the |
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| 16 |