ZyXEL Communications MAX-206M1R User Manual

Chapter 7 The WAN Configuration Screens

User’s Guide

The following figure shows the WiMAX Modem searching a range of frequencies to 
find a connection to a base station. 

Figure 29   Frequency Ranges

In this figure, A is the WiMAX frequency range. “WiMAX frequency range” refers to 
the entire range of frequencies the WiMAX Modem is capable of using to transmit 
and receive (see the Product Specifications appendix for details). 

In the figure, B shows the operator frequency range. This is the range of 
frequencies within the WiMAX frequency range supported by your operator 
(service provider).

The operator range is subdivided into bandwidth steps. In the figure, each C is a 
bandwidth step.

The arrow D shows the WiMAX Modem searching for a connection.

Have the WiMAX Modem search only certain frequencies by configuring the 
downlink frequencies. Your operator can give you information on the supported 
frequencies. 

The downlink frequencies are points of the frequency range your WiMAX Modem 
searches for an available connection. Use the Site Survey screen to set these 
bands. You can set the downlink frequencies anywhere within the WiMAX 
frequency range. In this example, the downlink frequencies have been set to 
search all of the operator range for a connection.

You need to set the WiMAX Modem to scan one or more specific radio frequencies 
to find an available connection to a WiMAX base station. 

Use the WiMAX Frequency screen to define the radio frequencies to be searched 
for available wireless connections. See 

 for an example of 

using the WiMAX Frequency screen.