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TD-W8970B 300Mbps Wireless N Gigabit ADSL2+ Modem Router (Annex B) User Guide
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4.7.5 Wireless Advanced
Choose menu “Wireless”Æ”Wireless Advanced”, you can configure the advanced settings of
your wireless network.
Figure 4-41
¾ Transmit Power: Here you can specify the transmit power of modem router. You can select
High, Middle or Low which you would like. High is the default setting and is recommended.
¾ Beacon Interval: Enter a value between 25-1000 milliseconds for Beacon Interval here. The
beacons are the packets sent by the modem router to synchronize a wireless network.
Beacon Interval value determines the time interval of the beacons. The default value is 100.
¾ RTS Threshold: Here you can specify the RTS (Request to Send) Threshold. If the packet is
larger than the specified RTS Threshold size, the modem router will send RTS frames to a
particular receiving station and negotiate the sending of a data frame. The default value is
2346.
¾ Fragmentation Threshold: This value is the maximum size determining whether packets
will be fragmented. Setting the Fragmentation Threshold too low may result in poor network
performance because of excessive packets. 2346 is the default setting and is recommended.
¾ DTIM Interval: This value determines the interval of the Delivery Traffic Indication Message
(DTIM). A DTIM field is a countdown field informing clients of the next window for listening to
broadcast and multicast messages. When the modem router has buffered broadcast or
multicast messages for associated clients, it sends the next DTIM with a DTIM Interval value.
You can specify the value between 1-255 Beacon Intervals. The default value is 1, which
indicates the DTIM Interval is the same as Beacon Interval.