DIR-806A Wireless AC750 Multi-Function Router
User Manual
Configuring Device (Router Mode)
Parameter Description
Bandwidth
The channel bandwidth for 802.11n devices in 2.4GHz band (the
2.4GHz tab).
20MHz: 802.11n devices operate at 20MHz channels.
40MHz: 802.11n devices operate at 40MHz channels.
20/40MHz -: 802.11n devices operate at 20MHz and 40MHz
channels (the channel is combined with the previous adjacent
channel).
20/40MHz +: 802.11n devices operate at 20MHz and 40MHz
channels (the channel is combined with the next adjacent channel).
The channel bandwidth for 802.11ac devices in 5GHz band (the
5GHz tab).
20MHz: 802.11ac devices operate at 20MHz channels.
40MHz: 802.11ac devices operate at 40MHz channels.
80MHz: 802.11ac devices operate at 80MHz channels.
TX Preamble
This parameter defines the length of the CRC block sent by the
router when communicating to wireless devices.
Select a value from the drop-down list.
Long Preamble.
Short Preamble (this value is recommended for networks with
high-volume traffic).
When you have configured the parameters, click the Apply button.
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