EnGenius Technologies 11N - Manual (Page 25)

Wireless 11N USB Adapter
25
3.3. Advanced
Beacon Interval: is the interval of time that this wireless router broadcasts a
beacon. Beacon is used to synchronize the wireless network.
DTIM Period: Enter a value between 1 and 255 for the Delivery Traffic Indication
Message (DTIM). A DTIM is a countdown informing clients of the next window for
listening to broadcast and multicast messages
Preamble Mode: The “Long” preamble can provide better wireless LAN
compatibility while the “Short” preamble can provide better wireless LAN
performance.