![]() ![]() In terms of features, however, software scanners typically exceed hardware scanners, and the same can be said about their ease of use. Because different laptops and mobile devices have different WiFi modules, the same software scanner may provide vastly different results when used on two different devices. Software scanners On the other hand, software scanners depend on a laptop or mobile device and its WiFi module.Hardware scanners are most commonly used by technicians in the field because they free them from having to carry a heavy laptop with limited battery life. Hardware scanners: As the name implies, hardware WiFi scanners are physical devices, typically of the handheld variety.WiFi scanners can be divided into two categories: The collected information includes everything from network names and their security settings to signal strength, noise level, interference, and more. This minimizes the traffic load on each AP, and also lowers interference in the network.The purpose of a WiFi scanner is to discover all nearby WiFi networks and collect as much information about them as possible. Low amplification also results in each AP covering a smaller area, meaning less users will be connecting to it simultaneously. All-directional antennas with low amplification factors decrease the probability of multi-beam signal propagation if they are placed at a non-standard height (such as in exhibition halls). Use antennas with a low amplification factor: Make sure APs are configured to use diversity reception.Disabling this mode might also improve noise values. Macs, iOS devices and other modern hardware don’t support them and they can cause increased instability. ![]() Disable 40MHz in the 2.4 band: If your APs are using the 2.4GHz band and have the ability to use both the 20 MHz and 40 MHz channels, try turning off the 40 MHz.They provide more advanced features to configure the security of your wireless network in comparison to the outdated WEP protocol. Use the latest security protocols: It is best to implement the latest security algorithms (WPA and WPA2).Reconfigure WEP: If your network uses WEP security with multiple keys, reconfigure it to use only one.Manufacturers tend to improve their products quite frequently. Stay up-to-date: It’s smart to always keep your APs’ firmware up-to-date.Installing a Wi-Fi repeater or extender might be a good option. If you are able to increase power, keep an eye on signal-to-interference values, as they may increase. However, for most, the maximum power is already set as the default factory setting. Increase output power: Some APs allow for the adjustment of transmission power.Use a different antenna: If an AP is installed in a corner or a place with limited visibility, a high-gain antenna (if your AP supports the use of such antennas) redirects the radio signal towards the desired direction, thereby increasing the signal level in some zones and decreasing it in the others.Compatibility is a tough issue, especially for wireless appliances. Stick to one manufacturer: Make sure you are using hardware from the same manufacturer.A signal overlap of 10-20% between APs is considered optimal. Remove unnecessary APs: Generally it’s not recommended to install several APs close to each other in order to presumably improve Wi-Fi coverage, as this may actually lead to the opposite result.Add more APs: Sometimes repositioning APs does not provide the desired effect, and the best option becomes installing additional APs in the problem areas.If possible, avoid placing your AP near metal posts or filing cabinets, cement walls, or obvious sources of electrical interference. The material of the obstructions also plays an important role for example, the attenuation factor of a brick wall far exceeds that of a cubicle wall or glass partition. Optimize AP locations: You should minimize the number of obstructions between the AP and the low signal area.Strategies for increasing signal strength NetSpot WiFi manager for macOS is available
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