NetComm NF20 Manuale utente

Wireless Reception & Dropout

Troubleshooting Guide

NF20 / NF20MESH

Wireless Reception & Dropout Troubleshooting Guide – NF20 / NF20MESH

FA01369 v. 1.0 August 2021

Wireless problems – Improve Reception

If you are experiencing wireless reception dropouts or disconnections, there are two basic reasons:

Interference from obstacles, location or other electromagnetic devices, or

Poor channel separation

This guide describes the solution to these problems.

Avoid obstacles and interference

Avoid placing your WiFi Gateway near devices that may emit radio “noise,” such as microwave ovens or

“dense” objects that can inhibit wireless communication.

Such devices and objects include:

Refrigerators

Washers and/or dryers

Metal cabinets

Large aquariums

Metallic-based, UV-tinted windows

If your wireless signal seems weak in some spots, make sure that objects such as those listed above

are not blocking the signal’s path (between your devices and the WiFi Gateway).

If you have a cordless phone and the performance of your wireless network continues to be impaired

after considering the above issues:

Try moving cordless phones away from your WiFi Gateway and your wireless-enabled

computers.

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NF20 / NF20MESH – Wireless Reception & Dropout Troubleshooting Guide

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Unplug and remove the battery from any cordless phone that operates on the 2.4GHz or 5GHz

band (check manufacturer’s information). If this fixes the problem, your phone may be

interfering with the WiFi Gateway.

If your phone supports channel selection, change the channel on the phone to the farthest

channel from the channel be used by your wireless network. For example, change the phone to

channel 1 and move your WiFi Gateway to channel 11 for the 2.4GHz band. See your phone’s

user manual for detailed instructions.

If necessary, consider switching to a 900MHz or 1800MHz cordless phone.

For best performance, place the Gateway in a central location, somewhere one (1) meter above the

ground/floor and avoid any object that might block the signal (see above). Ideally place the Gateway on a

table or rack that stands alone in empty surroundings.

Choose the “Quietest” Channel for your Wireless

Network

In locations where homes, apartments or offices are close together, such as duplexes, town houses,

apartment buildings or office complexes, there may be wireless networks nearby that can interfere with your

wireless network.

Use the Site Survey capabilities found in the Wireless Utility of your wireless adapter to locate any other

wireless networks that are available (see your wireless adapter’s user manual), and switch the channel used

by your GATEWAY and computers to a channel as far away as possible from those used by the other

networks.

Manually Change Channel

Find the clearest connection and avoid interference from neighbouring cordless phones or other wireless

devices and manually change the channel in the Wi-Fi settings on your Gateway.

Experiment with more than one of the available channels.

By default, the Gateway will pick up a channel automatically when it starts. You may also select a channel

manually. The suggested way is to change the channel and keep using your devices. If improvement is

observed use that channel, otherwise manually select and test the reception on another.

1Connect your computer to the Gateway using wired or wireless connection. A computer connected

using ethernet cable is strongly recommended.

2Open a web browser (such as Internet Explorer, Google Chrome, Safari or Mozilla Firefox), type

following address into the address bar and press Enter.

http://192.168.20.1

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NF20 / NF20MESH – Wireless Reception & Dropout Troubleshooting Guide

FA01369 v. 1.0 August 2021

3Enter Gateway Login Username and Password printed on the label at the bottom of the Gateway and

press Login.

4Please select Wi-Fi 2.4GHz page and make sure Wireless is Enabled.

Note

– This is applicable for 2.4 GHz band only.

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NF20 / NF20MESH – Wireless Reception & Dropout Troubleshooting Guide

FA01369 v. 1.0 August 2021

5Now select Advanced from the Wi-Fi/2.4 GHz submenu

The Wi-Fi – 2.4GHz -- Advanced page opens.

6From the Channel Specification drop down list select a numbered Channel (1thru 13) instead of the

default selection of: Auto

Check your current channel and try selecting channels at opposite ends of the scale from the channel

you are currently using. This allows you to avoid any interference you are experiencing on your

currently selected channel.

Recommended channels to use are 1, 3, 6or 9, but you may need to test all channels to find out what

is the best channel for your environment.

Click the Apply button every time you change the channel.

Every time you change any channel the wireless will get disconnected and connect back automatically.

7Test with the new channel for few hours or a day.

If it does not work better than before, change to a different channel and repeat the process.

Important

– An alternative way to find the best channel for your location is to use a free software such as “inSSIDer Home” for

windows and “Wi-Fi Analyzer” for android.

These software applications will show you the channels currently used at your location.

Choose a ‘least used’ channel for best reception.

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