Huawei B2268H Router Manual PDF (Setup & Configuration Guide)

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LTE TDD B2268H

User Guide

5 Wireless

Issue 01 (2014-01-15)

29

Radio Channels

In the radio spectrum, there are certain frequency bands allocated for unlicensed, civilian use.

For the purposes of wireless networking, these bands are divided into numerous channels. This

allows a variety of networks to exist in the same place without interfering with one another.

When you create a network, you must select a channel to use.

Since the available unlicensed spectrum varies from one country to another, the number of

available channels also varies.

A channel is the radio frequencyused by wireless devices to transmit and receive data. Channels

available depend on your geographical area. You may have a choice of channels (for your

region) so you should use a channel different from an adjacent AP (access point) to reduce

interference. Interference occurs when radio signals from different access points overlap

causing interference and degrading performance.

Adjacent channels partially overlap however. To avoid interference due to overlap, your AP

should be on a channel at least five channels away from a channel that an adjacent AP is using.

For example, if your region has 11 channels and an adjacent AP is using channel 1, then you

need to select a channel between 6 or 11.

5.1.2 Before You Begin

Before you start using these screens, ask yourself the following questions. See Section 5.7if

some of the terms used here do not make sense to you.



What wireless standards do the other wireless devices support (IEEE 802.11g, for

example)? What is the most appropriate standard to use?



What security options do the other wireless devices support (WPA-PSK, for example)?

What is the best one to use?



Do the other wireless devices support WPS (Wi-Fi Protected Setup)? If so, you can set up

a well-secured network very easily.

Even if some of your devices support WPS and some do not, you can use WPS to set up your

network and then add the non-WPS devices manually, although this is somewhat more

complicated to do.



What advanced options do you want to configure, if any? If you want to configure

advanced options, ensure that you know precisely what you want to do. If you do not want

to configure advanced options, leave them alone.

5.2 The Wireless General Screen

Use this screen to enable the Wireless LAN, enter the SSID and select the wireless security

mode.

If you are configuring the LTE Device from a computer connected to the wireless LAN and you change

the LTE Device's SSID or security settings, you will lose your wireless connection when you press

Apply

to confirm. You must then change the wireless settings of your computer to match the LTE

Device's new settings.

Click

Network Setting > Wireless to open the General

screen. Select the

Enable Wireless

LAN

checkbox to show the Wireless configurations.

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LTE TDD B2268H

User Guide

5 Wireless

Issue 01 (2014-01-15)

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Figure 5-2

Network Setting >Wireless>General

The following table describes the labels in this screen.

Table 5-1

Network > Wireless LAN > General

LABEL

DESCRIPTION

Wireless Network Setup

Wireless

Select the

Enable Wireless LAN

check box to activate the wireless

LAN.

Wireless Network Settings

Wireless

Network Name

(SSID)

The SSID (Service Set IDentity) identifies the service set with which a

wireless device is associated. Wireless devices associating to the access

point (AP) must have the same SSID.

Enter a descriptive name (up to 32 English keyboard characters) for the

wireless LAN.

Hide SSID

Select this check box to hide the SSID in the outgoing beacon frame so a

station cannot obtain the SSID through scanning using a site survey tool.

BSSID

This shows the MAC address of the wireless interface on the LTE Device

when wireless LAN is enabled.

Mode Select

This makes sure that only compliant WLAN devices can associate with

the

LTE Device.

Select

802.11b/g/n

to allow IEEE802.11b, IEEE802.11g and

IEEE802.11n compliant WLAN devices to associate with the LTE

Device. The transmission rate of your LTE Device might be reduced.

Select

802.11b/g

to allow both IEEE802.11b and IEEE802.11g

compliant WLAN devices to associate with the LTE Device. The

transmission rate of your LTE Device might be reduced.

Select

802.11g Only

to allow only IEEE 802.11g compliant WLAN

devices to associate with the LTE Device. Select

802.11n only in 2.4G

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LTE TDD B2268H

User Guide

5 Wireless

Issue 01 (2014-01-15)

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LABEL

DESCRIPTION

band

to allow only IEEE 802.11n compliant WLAN devices with the

same frequency range (2.4 GHz) to associate with the LTE Device.

Channel

Selection

Set the channel depending on your particular region.

Select a channel or use

Auto

to have the LTE Device automatically

determine a channel to use. If you are having problems with wireless

interference, changing the channel may help. Try to use a channel that is

as many channels away from any channels used by neighboring APs as

possible. The channel number which the LTE Device is currently using

then displays in the

Operating Channel

field.

Operating

Channel

This is the channel currently being used by your AP.

Security Level

Security Mode

Select

Basic

or

More Secure

to add security on this wireless network.

The wireless clients which want to associate to this network must have

same wireless security settings as the LTE Device. When you select to

use a security, additional options appears in this screen.

Or you can select

No Security

to allow any client to associate this

network without any data encryption or authentication.

See the following sections for more details about wireless security modes.

Apply

Click

Apply

to save your changes back to the LTE Device.

Cancel

Click

Cancel

to restore your previously saved settings.

No Security

Select

No Security

to allow wireless stations to communicate with the access points without any data

encryption or authentication.

If you do not enable any wireless security on your LTE Device, your network is accessible to any

wireless networking device that is within range.

Figure 5-3

Wireless> General: No Security

The following table describes the labels in this screen.

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Table 5-2

Wireless > General: No Security

LABEL

DESCRIPTION

Security Level

Choose

No Security

from the sliding bar.

5.2.1 Basic (Static WEP/Shared WEP Encryption)

WEP encryption scrambles the data transmitted between the wireless stations and the access

points (AP) to keep network communications private. Both the wireless stations and the access

points must use the same WEP key.

There are two types of WEP authentication namely, Open System (

Static WEP

) and Shared

Key (Shared WEP).

Open system is implemented for ease-of-use and when security is not an issue. The wireless

station and the AP or peer computer do not share a secret key. Thus the wireless stations can

associate with any AP or peer computer and listen to any transmitted data that is not encrypted.

Shared key mode involves a shared secret key to authenticate the wireless station to the AP or

peer computer. This requires you to enable the wireless LAN security and use same settings on

both the wireless station and the AP or peer computer.

In order to configure and enable WEP encryption, click

Network Settings > Wireless

to

display the

General

screen. Select

Basic

as the security level. Then select

Static WEP

or

Shared WEP

from the

Security Mode

list.

Figure 5-4

Wireless>General: Basic(Static WEP/SharedWEP)

The following table describes the labels in this screen.

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Table 5-3

Wireless > General: Basic (Static WEP/Shared WEP)

LABEL

DESCRIPTION

Security

Mode

Choose

Static WEP

or

Shared WEP

from the drop-down list box.



Select

Static WEP

to have the LTE Device allow association with

wireless clients that use Open System mode. Data transfer is encrypted

as long as the wireless client has the correct WEP key for encryption.

The LTE Device authenticates wireless clients using Shared Key mode

that have the correct WEP key



Select

Shared WEP

to have the LTE Device authenticate only those

wireless clients that use Shared Key mode and have the correct WEP

key.

WEP Key

Enter a WEP key that will be used to encrypt data. Both the LTE Device and

the wireless stations must use the same WEP key for data transmission.

5.2.2 More Secure (WPA(2)-PSK)

The WPA-PSK security mode provides both improved data encryption and user authentication

over WEP. Using a Pre-Shared Key (PSK), both the LTE Device and the connecting client share

a common password in order to validate the connection. This type of encryption, while robust,

is not as strong as WPA, WPA2 or even WPA2-PSK. The WPA2-PSK security mode is a newer,

more robust version of the WPA encryption standard. It offers slightly better security, although

the use of PSK makes it less robust than it could be.

Click

Network Settings

>

Wireless

to display the

General

screen. Select

More Secure

as the

security level. Then select

WPA-PSK

or

WPA2-PSK

from the

Security Mode

list.

Figure 5-5

Wireless > General: More Secure: WPA(2)-PSK

The following table describes the labels in this screen.

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