AccessAgility Blog

How to Use WLAN Pi as a Remote WiFi Scanner / Sensor

[fa icon="calendar'] Feb 22, 2021 4:15:15 PM / by Blog Team posted in WiFi Scanning, Linux

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WiFi Scanner for Windows is a WiFi discovery and scanning application for IT professionals and home users looking for detailed information about surrounding WiFi networks.

WLAN Pi is a portable device that can be used as a throughput tester, remote WiFi scanner, packet capture tool, portable WiFi signal generator and more.

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Linux WiFi Scanner using Raspberry Pi 4 and 3 B+ (B Plus)

[fa icon="calendar'] Feb 20, 2021 1:44:29 PM / by Blog Team posted in WiFi Scanning, Linux

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In this blog post we will cover how to configure a Linux device such as a Raspberry Pi computer as a remote WiFi Scanner. Our setup uses our Windows based WiFi Scanner on a Windows 10 laptop.

The Windows WiFi Scanner connects the the local or remote Raspberry Pi via SSH to transmit WiFi scanning results from the Raspberry Pi to the Windows WiFi Scanner for display.

The benefits of this setup are below.

  • Linux device can be local or remote as long as SSH access to device is available.
  • Linux device can be low cost device like a Raspberry Pi.  
  • Leverage wide selection of USB wireless adapter support available for Raspberry Pi devices and operating system.
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Types of WiFi Surveys: Active vs. Passive

[fa icon="calendar'] Nov 21, 2017 9:56:05 AM / by Zaib Kaleem posted in WiFi Scanning, AP on a Stick, Site Survey, Wireless Network

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Active WiFi Survey

An active WiFi survey is when a surveying device is connected to the WiFi network and records signal measurements based on the performance of the connection. Active surveys are used to troubleshoot WiFi networks. This type of survey also allows for various other metrics to be measured, such as ping round-trip-time (RTT), throughput using iPerf/iPerf2/iPerf3, and Internet upload/downloads.

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WiFi Health Check Survey

[fa icon="calendar'] Nov 17, 2017 10:57:12 AM / by Zaib Kaleem posted in WiFi Scanning, Wireless, Site Survey, WiFi Health

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Vital signs are measurements of the body's most basic functions. When a body is not performing well, vital signs, such as body temperature, pulse rate, respiration rate, and blood pressure, are used to monitor and detect potential medical problems.

Similarly, if your WiFi network is not performing well, the following “vital signs” can be checked to determine the health of a WiFi network.

  • Signal Coverage
  • Signal-to-Noise Ratio
  • Channel Overlap
  • Rogues and Interferers
  • Access Point Placement Optimization

 

Need Help with Your WiFi?

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Four Types of Wireless Site Survey Kits #APoaS

[fa icon="calendar'] Apr 5, 2017 4:48:21 PM / by Zaib Kaleem posted in WiFi Scanning, AP on a Stick, Wireless, Site Survey

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As part of our WiFi/wireless design process we typically conduct an onsite RF survey to understand the RF characteristics of the location and to validate our design for access point locations.

This setup involves measurement/survey software running on a laptop or tablet that can collect information about WiFi and non WiFi devices in the environment. This data is compared with WiFi signals from a temporary access point deployed for this survey process positioned at locations we believe would meet the requirements of the deployment.

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Free WiFi Scanner for iPhone and iPad Without Jailbreak

[fa icon="calendar'] Mar 27, 2017 2:29:08 PM / by Zaib Kaleem posted in iOS, WiFi Scanning, iOS Scanning, AirPort Utility

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 iPhone and iPad users with iOS 7 and up, now have a way to view WiFi scan info (SSID, BSSID, RSSI, Channel) on devices with Apple's AirPort Utility app.  Prior to this AirPort Utility update, only SSID and BSSID information was available on app store apps (non jailbreak apps).

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