Description

This article will describe how to select the specific cellular frequency bands to register to cellular network. Since the best cellular bands of different areas and operators are different, this feature will improve the cellular speed to get better network experiences.

 

Supported Hardware Versions

Model

Cellular Module Version

Firmware Version

UR3x-L04EU

EC25EUXGAR08A08_20 .002.20.002 and later

3x.3.0.8 and later

UR3x-L04AU

EC25AUXGAR08A05_01 .002.01.002 and later

UR3x-L04AF

EC25AFXGAR07A04_01.0 05.01.005 and later

UR3x-L00J

All supported

UR75-500GL&UF51-501EU

All supported

76.2.0.8 and later

UR75-504AE &UF51-504xx

All supported

All supported

UF31

All supported

All supported

 

Note: the cellular module version number can be checked on Status > Cellular page of web GUI.

 

Configuration

Step 1: Know the best registration band

1. Contact cellular operator to know it.

2. Insert the SIM card to your phone and ensure the location of your phone is the same as router installation location. Then follow below solution to find the registration band:

Android phone: download App “cellular-Z” to test and find the band

iPhone: Dial the code *3001#12345#* and press the “Call” button. This will take you to the iPhone’s secret menu and find the registration cellular band of your phone.


Step 2: Select the band

Select one or multiple frequency bands and save the settings.

 



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