Ubiquiti Networks Airrouter User Manual
AirRouter User Guide
Table of Contents
Chapter 1:
Product Overview ...................................................1
Chapter 2:
Installation
Chapter 3:
AirOS™ ..............................................................4
Package Contents
System Requirements
Top View .........................................................................1
Rear View ........................................................................1
................................................................1
............................................................1
..........................................................2
Hardware Installation
Connecting a Wireless Client to the AirRouter .....................................3
Navigation .......................................................................4
Main .............................................................................4
Wireless ..........................................................................8
Network .........................................................................13
Advanced .......................................................................25
Services .........................................................................27
System ..........................................................................29
Tools ............................................................................30
.............................................................2
Table of Contents
Appendix A:
Specifications .......................................................34
Appendix B:
Warranty ...........................................................35
General Warranty ................................................................35
Appendix C:
Contact Information ................................................36
Ubiquiti Networks Support ......................................................36
Ubiquiti Networks, Inc.
i
Chapter 1: Product OverviewAirRouter User Guide
Chapter 1: Product Overview
Thank you for purchasing the Ubiquiti AirRouter.
Package Contents
AirRouter Power Adapter Ethernet Cable Quick Start Guide
System Requirements
• Microsoft Windows XP, Windows Vista, Windows 7,
Linux, or Mac OS X
• Java Runtime Environment 1.6 (or above) for the AirView
utility
• Web Browser: Mozilla Firefox, Apple Safari, or Microsoft
Internet Explorer
Internet LED Displays solid green when the
AirRouter is connected to the Internet. Flashes to
indicate Internet activity.
Wireless LAN LED Displays solid green when the
wireless LAN is enabled. It will flash to indicate
wireless activity.
Power LED Displays solid green once the
AirRouter is connected to the power adapter and
the power adapter is connected to a power outlet.
Rear View
Main Ethernet Port Functions as the WAN
port in SOHO Router mode and connects your
AirRouter to your broadband modem or Internet
connection using a standard Ethernet cable.
Top View
LAN LEDs (1-4) Displays the status of the wired
connections to Ethernet ports 1-4. Solid green
indicates a good connection. Flashing indicates
activity on the specific port.
Main Ethernet LED Displays the status of the
Main Ethernet port connection. Solid green
indicates a good connection. Flashing indicates
activity.
LAN Ports (1-4) Connects devices to your
AirRouter using standard Ethernet cables.
Reset Button Resets the AirRouter to the factory
default settings.
Note: Resetting the AirRouter to factory
default settings will erase custom settings
you have made. You can backup your
configuration from System > Backup
Configuration > Download in the
browser-based management interface.
USB Port Reserved for future use.
Power Port The power adapter connects here to
provide power to the AirRouter.
1Ubiquiti Networks, Inc.
Chapter 2: InstallationAirRouter User Guide
Chapter 2: Installation
Hardware Installation
To install the AirRouter, perform the following steps:
1. Connect the power adapter to the port labeled Power
on the AirRouter. Connect the other end to of the
power adapter to a power outlet.
4. Launch your Web browser and type http://192.168.1.1
in the address field and press enter (PC) or return (Mac).
Note: Your computer needs to be on the
192.168.1.x subnet. If you have DHCP
enabled on your Ethernet adapter, it should
receive an address automatically. If not, you
will need to set a static IP address in the
192.168.1.2 - 192.168.1.254 range.
5. The login screen will appear. Enter ubnt in the
Username and Password fields and click Login.
2. Connect an Ethernet cable to Ethernet port 1.
3. Connect the other end of the Ethernet cable to your
computer.
6. The AirOS interface will appear. Go to the Wireless tab.
Wireless tab
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Chapter 2: Installation AirRouter User Guide
7. Customize your wireless network and secure your
network by entering the basic wireless network
information:
a. Enter a name for your wireless network in the SSID field.
b. Select the type of security that you want to use for your
wireless network from the Security drop-down.
Note: WPA2-AES security is the srongest wireless
security method. If all of your devices support this
option, it is recommended that you select it.
c. Enter a passphrase in the WPA Preshared Key field.
You can click the Show option to see the characters
that you are typing.
d. Click Change. You will be prompted to apply the
changes. To proceed, click Apply.
8. If necessary, disconnect the power and Ethernet cables
to move the router so that you can connect it to your
Internet connection.
9. Connect an Ethernet cable from your broadband
modem or other Internet connection to the port
labeled <···> on the back of the AirRouter.
Connecting a Wireless Client to the AirRouter
Windows
1. Go to Connect to Network.
Windows 7 Right-click on the Network icon.
Windows Vista Go to Start > Connect To.
Windows XP Right-click the Wireless Network icon
in the System Tray (lower right corner of the screen)
and then click View Available Wireless Networks.
2. Select the wireless network (SSID) that you entered in
the SSID field in step 7a and then click Connect.
3. Type the passphrase that you entered in the WPA
Preshared Key field in step 7c and click OK or Connect.
4. Launch your web browser to begin browsing the web.
Mac
1. Click the AirPort icon in the menu bar (top left side
of the screen).
2. Select the wireless network (SSID) that you entered in
the SSID field in step 7a.
3. Type the passphrase that you entered in the WPA
Preshared Key field in step 7c and click OK.
4. Once connected the AirPort icon will change from
gray to solid black. The number of black lines indicates
the signal strength. Launch your web browser to begin
browsing the web.
Congratulations! Basic router installation is complete.
Proceed to Connecting a Wireless Client to the AirRouter
for information on connecting wireless clients.
3Ubiquiti Networks, Inc.
Chapter 3: AirOS™ AirRouter User Guide
Chapter 3: AirOS™
AirOS™ is an advanced operating system that is capable of
powerful wireless and routing features. AirOS is built upon
a simple and intuitive user interface. AirOS allows you to
maximize the wireless performance of Ubiquiti products
which are based on IEEE 802.11n.
To access the interface, perform the following steps:
1. Launch your Web browser and type http://192.168.1.1
in the address field and press enter (PC) or return (Mac).
2. The login screen will appear. Enter ubnt in the
Username and Password fields and click Login.
Each page also contains network administration and
monitoring tools:
• Align Antenna
• Site Survey
• Ping
• Traceroute
• Speed Test
• AirView
Main
The Main tab displays a summary of the link status
information, current values of the basic configuration
settings (depending on the operating mode), network
settings and information, and traffic statistics.
Navigation
The interface contains six main tabs:
•
Main The Main tab displays AirRouter status
information and provides network monitoring links.
• Wireless The Wireless tab allows you to configure
the wireless mode, the basic wireless settings and the
wireless security settings for the AirRouter.
• Network The Network tab covers the configuration of
the network operating mode, IP settings, packet filtering
routines and network services.
Advanced The Advanced tab settings are available
•
for additional wireless interface controls. The AirMax
feature and advanced wireless settings can be
configured in this tab. The Advanced tab also includes
advanced Ethernet and traffic shaping settings.
•
Services The Services tab covers the configuration of
system management services like SNMP, NTP, System
Log, Ping Watchdog and SSH/Telnet server.
• System The System tab contains controls for system
maintenance routines, administrator account
management, device customization, firmware upgrade
and configuration backup. The interface language can
also be selected here.
Status
Device Name Displays the customizable name (ID) of the
AirRouter. The Device Name (Host Name) is displayed in
registration screens and discovery tools.
Network Mode Displays the network mode that the
AirRouter is operating in. There are three modes available:
Bridge, Router, and SOHO router. SOHO router is the
default setting. This setting is configured on the Network
tab.
Wireless Mode Displays the radio interface operating
mode. Access Point (or Access Point WDS) and Station (or
Station WDS) operating modes can be set depending on
the network topology requirements.
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Chapter 3: AirOS™ AirRouter User Guide
SSID Displays the wireless network name (SSID). The
wireless network name is dependent upon the wireless
mode selected:
• While operating in Station mode, displays the SSID of
the Access Point the AirRouter is associated with.
• While operating in Access Point mode, this displays
the SSID configured on the AirRouter. The SSID is
configured on the Wireless tab.
Security Displays the wireless security method being
used on the AirRouter. If None is displayed, then wireless
security has been disabled.
Version Displays the version of the AirOS software.
Uptime This is the total time the AirRouter has been
running since last power up (reboot) or software upgrade.
The time is displayed in days, hours, minutes and seconds.
Date Displays the current system date and time. The
date and time are displayed in YEAR-MONTH-DAY
HOURS:MINUTES:SECONDS format. The system date and
time is retrieved from the Internet using NTP (Network
Time Protocol). NTP Client is enabled by default on the
Services tab. The AirRouter doesn’t have an internal clock
and the date and time may be inaccurate if NTP Client is
disabled or the AirRouter isn’t connected to the Internet.
Channel/Frequency Displays the channel number and
corresponding operating frequency. The AirRouter uses
the channel/radio frequency specified to transmit and
receive data. Valid channel/frequency range will vary
depending on local country regulations.
Channel Width This is the spectral width of the radio
channel used by the AirRouter. 5, 10, 20 and 40 MHz
channel spectrum widths are supported. In Station (or
Station WDS) 20/40 MHz is the value by default.
ACK/Distance Displays the current timeout value for ACK
frames. ACK Timeout can be set manually or self-adjusted
automatically. The ACK Timeout (Acknowledgement frame
Timeout) specifies how long the AirRouter should wait for
an acknowledgement from a partner device confirming
packet reception before concluding there must have been
an error and resending the packet.
TX/RX Chains Displays the number of independent
spatial data streams the AirRouter is transmitting/
receiving simultaneously within one spectral channel
of bandwidth. This ability is specific for 802.11n devices
which rely on multiple-input multiple-output (MIMO)
technology. Multiple chains increase data transfer
performance significantly. The number of chains Ubiquiti
device uses is hardware specific. Every TX/RX chain
requires a separate antenna.
WLAN MAC Displays the MAC address of the AirRouter as
seen on the wireless network.
LAN MAC Displays the MAC address of the AirRouter as
seen on the LAN (Local Area Network).
WAN MAC Displays the MAC address of the AirRouter as
seen on the WAN interface. This is the AirRouter’s MAC
address that is seen over the Internet.
WAN/LAN Indicates the current status of the WAN and
LAN Ethernet port connections. This can indicate that a
cable is not plugged into a device and there is no active
Ethernet connection.
AP MAC Displays the MAC address of the AirRouter
in Access Point or Access Point WDS mode. In Station or
Stations WDS mode, this displays the MAC address of the
Access Point the AirRouter is associated with.
Connections Displays the number of wireless devices
connected to the AirRouter when the device is operating
in Access Point or Access Point WDS mode. This value is not
displayed while operating in Station or Station WDS mode.
Noise Floor Displays the current value of the noise level
in dBm. Noise Floor is taken into account while evaluating
the signal quality (Signal-to-Noise Ratio SNR, RSSI).
Transmit CCQ This is an index of which evaluates the
wireless Client Connection Quality. The level is based on
a percentage value where 100% corresponds to a perfect
link state.
TX Rate and RX Rate Displays the current 802.11 data
transmission (TX) and data reception (RX) rate when
operating in Station or Station WDS mode.
Airmax Indicates the AirMax status (Ubiquiti’s proprietary
TDMA polling technology) when operating in Access
Point or Access Point WDS mode. If AirMax is enabled, the
AirRouter will only accept AirMax clients. (Disable AirMax
for legacy 802.11bgn device compatibility). AirMax also
features advanced QoS Autodetection settings.
Airmax Quality This displays the AirMax Connection
Quality. The level is based on a percentage value where
100% corresponds to a perfect link state.
Airmax Capacity This is an index of maximum data
rate the link is operating at. A Lower Capacity number
indicates a unit that is bogging the system down.
Monitor
There are various monitoring tools accessible via the links
on the Main tab. The default selection is Throughput which
is displayed as soon as you open the Main tab.
Throughput
Shows a visual representation of the current data traffic
on the LAN and WLAN in both graphical and numerical
form. The chart scale and throughput dimension (Bps,
Kbps, Mbps) changes dynamically according to the mean
throughput value. The statistics are updated automatically.
Throughput statistics can be updated manually using the
Refresh button.
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Chapter 3: AirOS™ AirRouter User Guide
Stations
This selection lists the stations which are connected to the
AirRouter while operating in Access Point or Access Point
WDS mode.
The following statistics for each station are displayed in
the station statistics window:
Station MAC MAC address of the associated station. This
is a clickable link that will display additional station info.
Device Name Displays the client’s host name (if defined).
Signal/Noise, dBm Signal value represents the last
received wireless signal level, and Noise displays the value
of the noise level.
Tx/Rx, Mbps Tx value represents the data rates, in Mbps,
of the last transmitted packets, and Rx value represents
the data rates, in Mbps, of the last received packets;
CCQ, % This is an index that evaluates the wireless Client
Connection Quality (CCQ). The level is a percentage value
where 100% corresponds to a perfect link state.
Connection Time Displays the connection time of each
station connected to the AirRouter. The time is expressed
in days, hours, minutes and seconds.
Last IP Displays the station’s IP address.
Action Shows available options for this station, e.g.:
kicking a station for a few seconds to identify any
problematic stations.
Refresh The information in the station statistics window
can be updated using the Refresh button.
Station Info
Detailed information is displayed when you click on a
specific MAC address:
Noise Floor Displays the current value of the noise level
in dBm. Noise Floor is taken into account while evaluating
the signal quality (Signal-to-Noise Ratio SNR, RSSI) while
value mean depends on signal strength above the noise
floor.
CCQ Value represents the quality of the connection to the
Station.
Last IP Displays the last station’s IP address.
TX/RX Rate Represents the data rates, in Mbps, of the last
transmitted and received packets;
TX/RX Packets Value represents the total amount of
packets transmitted and received from the Station during
the connection uptime.
TX/RX Packet Rate, pps Represents the mean value of
the transmitted and received packet rate.
Bytes Transmitted Value represents the total amount of
data (in bytes) transmitted during the connection.
Bytes Received Value represents the total amount of data
(in bytes) received during the connection.
Negotiated Rate/Last Signal (dBm) Table values
represent the received wireless signal level along with the
data rates of recently received packets. N/A is displayed if
no packets were received on that particular data rate.
Refresh The information in the Station Info window can
be updated using this button.
AP Information
Available only when operating in Station or Station WDS
mode.
Device Name Displays the client’s host name.
Connection time Displays the amount of time the
station has been connected to the AirRouter. The time is
expressed in days, hours, minutes and seconds;
Signal Strength Value represents, in dBm, the last
received wireless signal level.
• Access Point Shows the MAC address of the Access
Point the station is associated with.
•
Device Name Displays the host name of the Access
Point the station is associated with.
Connection time Value represents the running total of
•
time the AirRouter has been associated with the Access
Point. The time is expressed in days, hours, minutes and
seconds.
• Signal Strength Value represents the last received
wireless signal level.
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Chapter 3: AirOS™ AirRouter User Guide
• Noise Floor Displays the current value of the noise
level in dBm. Noise Floor is taken into account while
evaluating the signal quality (Signal-to-Noise Ratio SNR,
RSSI) while value mean depends on signal strength
above the noise floor.
• CCQ Value represents the quality of the connection to
the Access Point.
Tx/Rx Rate Represents the data rates of the last
•
transmitted and received packets.
•
Tx/Rx Packets Displays the total number of packets
transmitted and received during the connection.
Tx/Rx Packet Rate (packets per second) Represents
•
the mean value of the transmitted and received packet
rate.
•
Bytes transmitted/received Value represents the total
amount of data (in bytes) transmitted and received
during the connection.
• Negotiated Rate/Last Signal (dBm) table Values
represent the received wireless signal level along with
the all data rates of recently received packets. “N/A”
value is represented as the Last Signal if no packets were
received on that particular data rate.
To reconnect to the AP press the Reconnect button,
in order to reestablish the wireless link. The list can be
updated using the Refresh button.
DHCP Client
(Applicable for Router and SOHO Router in DHCP mode
only.) Shows the device’s WAN IP address, Netmask, DNS
servers and Gateway while operating in DHCP Router
mode.
Total Lease Time Shows the total time (validity) of the
leased IP address assigned by the external DHCP server.
Remaining Lease Time Displays the remaining time of
the IP address leased by the external DHCP server.
ARP table
Lists all the entries of the ARP (Address Resolution
Protocol) table currently recorded on the device.
ARP is used to associate each IP address to the unique
hardware address (MAC) of each device. It is important to
have unique IP addresses for each MAC or else there will
be ambiguous routes in the network.
IP Address Displays the assigned IP address.
MAC Address Displays the MAC address of the device.
Interface Displays the interface that the device is on.
The list can be updated using the Refresh button.
Bridge Table
Displays the entries in the system bridge table when the
device is operating in Bridge mode.
The list can be updated using the Refresh button.
The Bridge table shows which bridge port the particular
station is associated with - in other words from which
interface (Ethernet or wireless ) the network device
(defined by MAC address) is reachable from. The AirRouter
will forward the packets to that port only (thus saving a lot
of redundant copies and transmits).
The aging timer shows the aging time for each address
entry (in seconds) - after particular time out, not having
seen a packet coming from a certain address, the bridge
will delete that address from the Bridge Table.
IP Address Displays the device’s WAN IP address while
operating in DHCP Client mode.
Netmask Displays the device’s netmask when operating
in DHCP Client mode. It is assigned automatically by the
DHCP server (not the AirRouter’s DHCP server), which
assigns the WAN IP address to the device.
Gateway Displays the device’s gateway when operating
in DHCP Client mode, which is assigned automatically by
the DHCP server (not the AirRouter’s DHCP server).
Primary/Secondary DNS IP Domain Name System (DNS)
is an Internet “phone book” which translates domain
names to IP addresses. These fields identify the server IP
addresses that the AirRouter uses for translation.
DHCP Server Displays the IP address of the DHCP Server
assigning the WAN IP Address to the AirRouter.
Domain Displays the domain name.
Routes
Lists all the entries in the system routing table, while the
device is operating in Router mode.
The list can be updated using the Refresh button.
AirOS examines the destination IP address of each data
packet traveling through the system and chooses the
appropriate interface to forward the packet to. The system
choice depends on static routing rules – entries, which
are registered in the system routing table. Static routes
to specific hosts, networks or default gateway are set up
automatically according to the IP configuration of all the
AirOS interfaces.
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Chapter 3: AirOS™ AirRouter User Guide
Port Forward
Lists active port forward entries in the PORTFORWARD
chain of the standard iptables nat table, while the device is
operating in Router mode.
The list can be refreshed using the Refresh button. Port
forwarding is enabled and configured on the Network tab.
Port forwarding allows you to connect to a specific service
such as an FTP server or Web server. Port Forwarding
creates a transparent tunnel through a firewall/NAT,
granting access from the WAN side to the particular
network service running on the LAN side.
DHCP leases
Shows the current status of the leased IP addresses by
the device’s DHCP server. This option is available if DHCP
Server is enabled while the device is operating in Router
mode.
MAC Address Displays the client’s MAC address, which is
connected to the Access Point.
IP Address Displays the client’s IP address leased by the
device’s DHCP server.
Remaining Lease Time Shows for how long the leased
IP address will be valid and reserved for particular DHCP
client.
Hostname Displays the device name (hostname) of the
client receiving an IP lease.
Interface Name Displays the interface to which the
specific MAC address is connected.
The list can be updated using the Refresh button.
More information is provided in the Wireless section.
Log
When logging is enabled (Services > System Log > Enable
Log) this option lists all registered system events. By
default, logging isn’t enabled.
Clear Deletes all entries in the system log.
Refresh The System Log content is updated.
Wireless
The Wireless Page contains everything needed by the
operator to setup the wireless part of the link. This
includes regulatory requirements, SSID, channel and
frequency settings, device mode, data rates, and wireless
security.
Basic Wireless Settings
The general wireless settings, such as wireless mode,
wireless network name(SSID), country code, 802.11 mode,
output power and data rates can be configured in this
section.
Wireless Mode Allows you to specify the operating
mode of the device. The mode depends on the network
topology requirements. There are 4 operating modes
supported on the AirRouter:
8Ubiquiti Networks, Inc.
Station This is a client mode, which connects
•
the AirRouter to an Access Point. In Station mode,
the AirRouter acts as the subscriber Station while
connecting to the Access Point. The SSID of the
Access Point is used and all the traffic to/from the
network devices connected to the Ethernet interface is
forwarded.
Subscriber Station is using the arpnat technique which
may result in a lack of transparency while passingthrough broadcast packets in bridge mode.
• Station WDS WDS stands for Wireless Distribution
System. Station WDS should be used while connecting
to an Access Point that is operating in WDS mode. This
mode is compatible with WPA/WPA2 encryption.
Station WDS mode enables packet forwarding at the
layer 2 level.
The benefit of Station WDS is improved performance
and faster throughput. Station WDS - Bridge mode is
fully transparent for all Layer 2 protocols.
• Access Point This is an 802.11 Access Point.
• Access Point WDS This is an 802.11 Access Point which
allows for layer 2 bridging with Station WDS devices
using the WDS protocol. Access Point WDS is not fully
compatible with WPA/WPA2 encryption.
WDS allows you to bridge wireless traffic between
devices which are operating in Access Point mode.
Access Point is usually connected to a wired network
(Ethernet LAN) allowing wireless connection to the
wired network. By connecting Access Points to one
another in an extended service set using the WDS,
distant Ethernet connections can be bridged into a
single LAN.
It is very important that network loops should not be
created with either WDS bridges or combinations of
wired (Ethernet) connections and WDS bridges. Tree
or Star shape network topology should be used in all
WDS use-cases (i.e. if AP2 and AP3 are specified as the
WDS peers of AP1, AP2 should not be specified as the
WDS peer of AP3 and AP3 should not be specified as the
WDS peer of AP2 in any case). Mesh and Ring network
topologies are not supported by WDS and should be
avoided in all the use cases.
Note: Station WDS and Access Point WDS mode
use the WDS protocol which is not defined as
the standard thus compatibility issues between
equipment from different vendors may arise.
Chapter 3: AirOS™ AirRouter User Guide
Note: When connecting devices in AP-WDS-
to-AP-WDS mode, the WPA/WPA2 security
methods will not function. When connecting
AP-WDS devices to another AP-WDS device use
none or the WEP security method. However,
this may compromise the security of your
network. When connecting STA-WDS clients
to an AP-WDS device, all security methods are
available and work properly.
WDS Peers (Only applicable in Access Point WDS mode.)
WDS Stations and/or WDS Access Points connected to
the AirRouter should be specified in this list to create a
wireless network infrastructure - Wireless Distribution
System.
Enter the MAC address of the paired WDS device in
the WDS Peer entry field. One MAC address should be
specified for Point-to-Point connection use case, up to
six WDS Peers can be specified for Point-to-Multi-Point
connection use case.
Auto (Only applicable in Access Point WDS mode.) Option
should be enabled in order to establish WDS connections
between Access Points if WDS Peers are not specified. If
the Auto option is enabled, the AirRouter will choose WDS
Peers (Access Points) according to the SSID setting. Access
Point operating in WDS mode should have the same SSID
as the WDS Peer in order to establish the connection
automatically while the Auto option is enabled. This
configuration is also known as repeater mode. AP WDS
Auto option can not be selected if any type of WPA or
WPA2 security is used as WPA requires different roles on
AP configuration (authenticator or supplicant).
Note: Access Point operating in WDS mode
and all the WDS Peers must operate on the
same frequency channel, use the same channel
spectrum width and the same security settings.
SSID The wireless network name or SSID (Service Set
Identifier) used to identify your 802.11 wireless LAN
should be specified while operating in Access Point or
Access Point WDS mode. All the client devices within
range will receive broadcast messages from the access
point advertising this SSID.
While operating in Station or Station WDS mode, you
should specify the SSID of the Access Point the AirRouter
is associated with. There can be several Access Points with
an identical SSID. If the SSID is set to “Any” the station will
connect to any available AP.
Select (Only applicable in Station and Station WDS mode.)
The list of the available Access Points can be retrieved
using the Select button. This control activates Site Survey
tool which is used for the AP selection. Site Survey will
search for the available wireless networks in range on
all supported channels and allows you to select one for
association. In case the selected network uses encryption,
you’ll need to set security parameters in the Wireless
Security section. Select the Access Point from the list and
click Select button for association.
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Chapter 3: AirOS™ AirRouter User Guide
Click Scan to refresh the list of available wireless networks.
The Site Survey channel scan list can be modified using
the Channel Scan List control.
Hide SSID (Only applicable in Access Point and Access
Point WDS mode.) When this option is enabled, the SSID
(wireless network name) will not be broadcast to wireless
stations.
Lock to AP MAC (Only applicable in Station and Station
WDS mode.) This allows the station to always maintain a
connection to a particular AP with a specific MAC address.
This is useful as sometimes there can be multiple access
points using the same SSID. With AP lock on, the station
will lock to a specific MAC address and not roam between
several Access Points with the same SSID.
Country Code Each country has their own power level
and frequency regulations. To ensure the AirRouter
operates under the necessary regulatory compliance
rules, be sure to select the country where your device
will be used. The channel list, output power limits, IEEE
802.11 and Channel Spectrum Width modes will be tuned
according to the regulations of the selected country.
IEEE 802.11 Mode Displays the radio standards used for
the AirRouter.
Channel Width Displays the spectral width of the radio
channel. Supported wireless channel spectrum widths:
•
5 MHz is the channel spectrum with the width of 5 MHz
(known as Quarter-Rate mode).
• 10 MHz is the channel spectrum with the width of 10
MHz (known as Half-Rate mode).
20 MHz is the standard channel spectrum width
•
(selected by default).
• 40 MHz is the channel spectrum with the width of 40
MHz.
• Auto 20/40MHz (Only applicable in Station or Station
WDS mode.) It offers better compatibility.
The benefits of this are private networking and inherent
security. Using channel-shifting, networks instantly
become invisible to the millions of Wi-Fi devices in the
world.
Frequency, MHz (Only applicable in Access Point or
Access Point WDS mode.) Select the wireless channel
while operating in Access Point mode. Multiple frequency
channels are available to avoid interference between
nearby access points. The channel list varies depending on
the selected country code, IEEE 802.11 mode and Channel
Spectrum Width and Channel Shifting option.
Obey regulatory Rules Option must remain enabled
while it will force the transmit output power to be
compliant with the regulations of the selected country. In
this case, it will not be possible to set equivalent isotropic
radiated power (EIRP) above the amount allowed per
regulatory domain (different maximum output power
levels and antenna gains are allowed for each IEEE
802.11b/g/n regulatory domain thus country).
Extension Channel (Only applicable in Access Point or
Access Point WDS mode with 40 MHz channel width.)
Indicates the use of channel bonding that allows the
AirMax network to use two channels at once. Using
two channels improves the performance of the Wi-Fi
connection. It is automatically selected by the system.
Channel Scan List, MHz (Only applicable in Station or
Station WDS mode.) This will confine scanning only to the
selected channels. The benefits of this are faster scanning
as well as filtering out unwanted AP’s in the results. Site
Survey tool will look for the Access Points in selected
channels only. Once enabled, click Edit to open the
Channel Scan List window.
Note: Laptops cannot connect to the AirRouter
when the channel width is set to 5/10 MHz.
Some devices may not be able to connect using
the 40 MHz setting.
Channel Shifting Enables special channels which have
the frequency offset from the standard 802.11b/g/n
channels. This is a proprietary Ubiquiti Networks
developed feature. While 802.11 networks have standard
channels spaced every 5 MHz apart, channel shifting uses
non-standard channels offset from the standard channels.
All the channels can be shifted by 5 MHz (in 802.11n) or
2 MHz (in 802.11bgn) from the default central channel
frequency.
Note: Channel shifting is not compatible with
legacy products.
Select the channels that you want to scan and click OK or
click Close to close the window without any selections.
Output Power This defines the maximum average
transmit output power (in dBm) of the AirRouter. The
output power can be specified using the slider. When
entering the output power value manually, the slider
position will change according to the entered value. The
transmit power level maximum is limited according to the
country regulations. Output power is the output power
delivered to the internal antenna.
Max Data Rate, Mbps This defines the data rate (in Mbps)
at which the device should transmit wireless packets.
You can fix a specific data rate between MCS 0 and MCS
7. It is recommended that you use the automatic option,
especially if you are having trouble getting connected or
losing data at a higher rate. In this case, the lower data
rates will be used automatically. If you select 20 MHz
10Ubiquiti Networks, Inc.
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