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Old 20. Feb 2016, 02:43 AM   #4 (permalink)
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Join Date: Jul 2010
Location: New Zealand
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Check out Best Free Wi-Fi Network Finder Utility and other free software

The rest of this post describes why you shouldn't expect much improvement.

The AP is the issue not your computer
As others have said, software doesn't give you many options on your computer because all the action is at the WiFi AP (access point) which is commonly your router. The issues are largely related to the overlapping WiFi networks that constrain the maximum speed available to you.

Most of the methods for improving WiFi focus on the AP. See this example, one the many articles on improving WiFi speed. This means looking at issues like the following:
  • only using the latest standard e.g. N and not G, B or A; only using 5GHz band
  • managing signal strength e.g. to minimise overlap with other networks, or to maximise range
  • selecting a channel or channels e.g. choosing non-overlapping channels 1, 6 or 11 for 2.4 GHz

The other issue for you is that public WiFi generally focuses on compatibility which means being available to the most standards e.g. supporting B, G and N. This works against performance.

On your computer
You still have some options at your computer by getting a program that has the following:
  • Configuring your computer to only use the latest standard e.g. N
  • A signal graph to show which networks are available and which has the best signal so you can choose to connect to the network with the best throughput.
  • A signal meter so, once connected to a WiFi network, you place yourself in the best position to maximize throughput.
Better to light a candle ... than to curse the darkness.

Last edited by Remah; 20. Feb 2016 at 02:45 AM. Reason: Added comment
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