Hawking Technology HNC320G - Manual (Page 47)

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Advanced Setting: In this field, you can configure more advanced settings.
x Beacon Interval: This option defines the time interval between two images sent in succession.
x Preamble: A preamble is a signal used in wireless environments to synchronize the transmission timing,
including Synchronization and Start frame delimiter. Please NOTE that if you want to change the Preamble
type from Long to Short, you will need to check the access point’s settings.
x Authentication Type: Open System communicates the key across the network. Shared Key allows
communication only with other devices with identical WEP settings. The default setting is Both.