D-Link DI-524UP - Manual (Page 54)

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Transmit Power Allows the user to adjust the transmit power of the
router. A high transmit power allows a greater area
range of accessibility to the router.
Beacon Interval Beacons are emitted from the router in order to
synchronize the wireless network. You may set the
range between 20-100 microseconds per beacon sent.
The default is 100.
RTS Threshold The RTS (Request to Send) Threshold controls the size
of data packets issued to a RTS packet. A lower level
will send packets more frequently which may consume
a great amount of the available bandwidth. A high
threshold will allow the router to recover from
interference or collisions which is more prevalent in a
network with high traffic or high electromagnetic
interference. The default setting is 2346.
Fragmentation The fragmentation threshold will determine if packets
are to be fragmented. Packets over the 2346 byte limit
will be fragmented before transmission. 2346 is the
default setting.
DTIM Interval DTIM (Delivery Traffic Indication Message) is a
countdown informing clients of the next window for
listening to broadcast and multicast messages. The
default setting is 3.
Preamble Type Select Short or Long Preamble. The Preamble defines
the length of the CRC block (Cyclic Redundancy Check
is a common technique for detecting data transmission
errors) for communication between the wireless router
and the roaming wireless network adapters.
NOTE:
High network traffic areas should use the shorter
preamble type.
SSID Broadcast Choose Enabled to broadcast the SSID across the
network. All devices on a network must share the same
SSID (Service Set Identifier) to establish
communication. Choose Disabled if you do not wish to
broadcast the SSID over the network.
802.11g Only Mode Select this mode to restrict your network to only those
devices that employ the 802.11g standard. Enabling
this mode will ensure that you maintain the highest
connectivity rate, unhampered by any connection to an
802.11b device.