Edimax EW-7209APg User Manual - Page 18
Beacon Interval - configuration
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Parameter Authentication Type Fragment Threshold RTS Threshold Beacon Interval Data Rate Preamble Type Broadcast ESSID IAPP 802.11g Protection Description There are two authentication types: "Open System" and "Shared Key". When you select "Open System", wireless stations can associate with this access point without WEP encryption. When you select "Shared Key", you should also setup WEP key in the "Encryption" page and wireless stations should use WEP encryption in the authentication phase to associate with this access point. If you select "Auto", the wireless client can associate with this access point by using any one of these two authentication types. "Fragment Threshold" specifies the maximum size of packet during the fragmentation of data to be transmitted. If you set this value too low, it will result in bad performance. When the packet size is smaller than the RTS threshold, the access point will not use the RTS/CTS mechanism to send this packet. The interval of time that this access point broadcast a beacon. Beacon is used to synchronize the wireless network. The "Data Rate" is the rate this access point uses to transmit data packets. The access point will use the highest possible selected transmission rate to transmit the data packets. Preamble type defines the length of CRC block in the frames during the wireless communication. "Short Preamble" is suitable for high traffic wireless network. "Long Preamble" can provide more reliable communication. If you enable "Broadcast ESSID", every wireless station located within the coverage of this access point can discover this access point easily. If you are building a public wireless network, enabling this feature is recommended. Disabling "Broadcast ESSID" can provide better security. If you enable "IAPP", the access point will automatically broadcast information of associated wireless stations to its neighbors. This will help wireless station roaming smoothly between access points. If you have more than one access points in your wireless LAN and wireless stations have roaming requirements, enabling this feature is recommended. Disabling "IAPP" can provide better security. This is also called CTS Protection. It is recommended to enable the protection mechanism. This mechanism can decrease the rate of data collision between 802.11b and 802.11g wireless stations. When the protection mode is enabled, the throughput of the AP will be a little lower due to many of frame traffic should be transmitted. Click Apply button at the bottom of the screen to save the above configurations. You can now configure other advance sections or start using the Access Point.