KPWL-0300 User's Manual
43
How to Search for Overlapping Channels
Due to the popularization of wireless LAN, several access points may be installed in office buildings and apartments.
Wireless quality may decline considerably because of overlapping channels, mutual interference, etc.
As a result, it is important to search for frequencies that are being used in the area of installation and do your best to set
channels so that they do not overlap.
Many tools for searching for frequency bands that are being used are available, both for free or for sale. This section
introduces a way to search for frequencies that are in use by using freeware
3
for Windows, called "
InSSIDer2
".
1. Prepare a computer, such as a laptop, equipped with Windows that can be carried to the installation locations,
and then open the following site.
http://inssider.softonic.jp/
2. Click [Free download]
The download does not start immediately, it stops until you have
moved to the page, and then starts in about 15 seconds
4
.
3. Execute the inSSIDer-Installer-2.x.x.xxxxxx.exe
5
that you downloaded and install it.
4. Start inSSIDer2.
5. Clicking "Start" at the top right displays a list of access points on the upper half of the screen.
RSSI is the wireless strength
and Channel is the channel.
You can check which access points are using which channels and their strength.
3
Ver4 and later of inSSIDer requires a fee ($19.99). Understand that, although you can currently download free versions from places like
softonic, future distribution cannot be guaranteed.
4
"To help protect your security, Internet explorer blocked this site from downloading files to your computer. Click here for options ..." appears
on the top part of the page in Internet Explorer. Click it, and then select "Download file".
5
As of July 20, 2011, the newest version is inSSIDer-Installer-2.0.7.0126.exe.
