Interface scan-list is used in multiple modes that either gather information for list of channels (like interactive scan command) or selects channel to work on (like any of station modes or AP modes performing DFS). For example, to configure interface to operate with center frequency 5500MHz and channel width 14MHz, use the following /interface wireless> channels add name=MYCHAN frequency=5500 width=14 /interface wireless> set wlan1 frequency=MYCHAN To use particular Advanced Channel for wireless interface (applies to modes that make use of interface frequency setting) specify channel name in interface frequency setting. It is sole responsibility of administrator to configure channels in proper way. In this case interface will not become operational. It is possible to configure interface with channel that interface does not support. In order to use Advanced Channels in wireless interface configuration, several interface settings accept channel names or list names as arguments.
extension-channel - specifies placement of 11n extension channel. band - defines default set of data rates when using this channel. 
width - channel width in MHz, allowing to specify fractional MHz part, e.g. frequency - channel center frequency in MHz, allowing to specify fractional MHz part, e.g. list - name of list this channel is part of. If name is not specified when adding channel, it will be automatically generated from channel frequency and width name - name by which this channel can be referred to. This menu contains ordered list of user-defined channels that can be grouped by means of list property. center frequency range: 4800MHz-6100MHz with step 0.5MHz (500KHz), width range: 2.5MHz-30MHz width step 0.5MHz (500KHz) Īdvanced Channels are configured in interface wireless channels menu. center frequency range: 2200MHz-2500MHz with step 0.5MHz (500KHz), width range: 2.5MHz-30MHz width step 0.5MHz (500KHz). Non standard center frequency and width channels can only be used with interfaces that support it.Ĭurrently only Atheros AR92xx based chips support non-standard center frequencies and widths with the following ranges: non-standard channel widths (specified with KHz granularity) for hardware that allows that. non-standard channel center frequencies (specified with KHz granularity) for hardware that allows that. scan-list that covers multiple bands and channel widths. Advanced Channels feature provides extended opportunities in wireless interface configuration:
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