D-Link DIR-879 User Manual page 107

Section 4 - Configuration - Extender Mode
If Existing Network Type is Ethernet and Smart Connect is Disabled the following additional
options are available. For Wi-Fi these parameters are set by the uplink wireless network.
802.11 Mode
Select the desired wireless networking standards to use.
(2.4 GHz): The available options for the 2.4 GHz wireless network are Mixed
802.11b/g/n, Mixed 802.11g/n, 802.11n only.
802.11 Mode
Select the desired wireless networking standards to use.
(5 GHz): The available options for the 5 GHz wireless network are Mixed
802.11a/n/ac, Mixed 802.11n/ac, 802.11ac only, Mixed 802.11a/n,
Mixed 802.11n only, or 802.11a only.
Select the desired channel. The default is Auto (recommended).
Wi-Fi Channel:
Select Auto 20/40 if you are using both 802.11n and non-802.11n
Channel Width
(2.4 GHz): devices, or select 20 MHz if you are not using any 802.11n devices.
Select Auto 20/40/80 if you are using 802.11ac, 802.11n, and 802.11a
Channel Width
(5 GHz): devices, select Auto 20/40 if you are using 802.11n and 802.11a
devices, or select 20 MHz if you are only using 802.11a devices.
HT20/40 Enable or disable HT20/40 Coexistence.
Coexistence:
(2.4 GHz):
Click Save when you are done.
D-Link DIR-879 User Manual
Extender (continued)
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