D-Link DSL-G2452GR User Manual page 52

Section 4 - Configuration
Wi-Fi Additional Settings
B/G protection
The 802.11b and 802.11g protection function is used to minimize collisions
between devices on your wireless network. Choose from Auto, Always On,
and Always Off.
Short GI
Guard interval (in nanoseconds). This parameter defines the interval
between transmissions when the router is communicating with
wireless devices. Select Enable to use a 400 ns short guard interval.
Select Disable to use a standard 800 ns guard interval.
Beacon period (in Specify the time interval (in milliseconds) between packets sent to
milliseconds)
synchronize the wireless network. The default setting is 100 ms.
RTS threshold (in Specify the minimum size (in bites) of a packet for which an RTS frame can
bytes) be transmitted. The default size is 2347 bytes and the standard range is
256-2346 bytes.
Frag threshold (in Specify (in bytes) the maximum frame size for a non-fragmented
bytes)
packet. The default size is 2346.
DTIM period (in Specify how often (by the number of beacon frames) that DTIM is
beacon frames)
transmitted. By default this is set to 1.
Station Keep Alive Specify the time interval (in seconds) between "keep alive" checks of
(in seconds)
wireless devices from your WLAN.
D-Link DSL-G2452GR User Manual 48