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Инструкция по эксплуатации Страница: 18

Ubiquiti AirRouter HP Инструкция по эксплуатации онлайн [18/61] 67420

Chapter 5: Wireless TabAirRouter

HP User Guide

Ubiquiti Networks, Inc.

Country Code Each country has their own power level

and frequency regulations. To ensure the AirRouter HP

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 HP.

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.

Note: Laptops cannot connect to the AirRouter

HP 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. Options include Enabled and

Disabled.

Note: Channel shifting is not compatible with

legacy products.

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.

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.

Options include Upper Channel and Lower Channel.

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.

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 HP. 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

ChannelSpectrumwidth,themaximumdatarateisMCS7

(65Mbps). If you select 40 MHz Channel Spectrum width

themaximumdatarateisMCS7(150Mbps).

Ubiquiti AirRouter HP Инструкция по эксплуатации онлайн [18/61] 67420

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