Wi-Fi devices even though these signals collide with Wi-Fi packets, reducing throughput and sometimes completely stopping the
Wi-Fi network.

Free Wireless Tools
Below you’ll find our recommended Wireless Networking Tools for Wi-Fi Scanning, Site Survey, Site Planning and Packet Sniffing.
For the best Wireless Network optimization, get a Wi-Spy with Chanalyzer Pro
Wi-Fi Scanners
InSSIDer for Windows (from Metageek)
- - Create custom filters
- - Log and export KML for Google Earth
- - Channel View for determining Wi-Fi channel Overlap
- - 2.4 and 5 GHz and network strength over time views
InSSIDer for Android
- - Optimize your Wi-Fi network by choosing the best channel
- - Shows how other networks interfere with your Wi-Fi network
- - Runs on Gingerbread or newer versions of Android
- - 2.4 and 5 GHz and network strength over time views
Site Survey
Heatmapper from Ekahau
- - Wi-Fi coverage on a map
- - Supports 2.4 and 5 GHz 802.11n
- - Quickly locate Rogue Access Points
- - 15 minute time limitation
Wi-Fi Mapper from Meraki
- - Wi-Fi coverage on google maps or floor plan,
- - No installation
- - Quickly locate Rogue Access Points
- - Estimated throughput results
Site Planning
Free Wi-Fi Planner from Aerohive
- - Upload a floor plan.
- - Auto placement for quick and easy planning.
- - Must register for Hive Manager Account
- - Works With: Aerohive APs only
Packet Sniffing
Kismet
- - Network Detector, Packet Sniffer, Intrusion detection system
- - Raw monitoring mode
- - Works With: Linux, FreeBSD, NetBSD, OpenBSD, and Mac OS X.
- - Can run on Windows using a specialized AirPcap adapter.
Performance
Tamosoft Throughput Test
TamoSoft Throughput Test is a utility for testing the performance of a wireless or wired network. This utility continuously sends TCP and UDP data streams across your network and computes upstream and downstream throughput values, packet loss, and round-trip time.
Download
Iperf
Iperf is a throughput application. There is a great GUI variation called JPerf. Both allow you to compare actual throughput to the stated data rate of a WLAN.
Learn MoreSpectrum Analysis
Spec Tools for Linux from Kismet
- - SpecTools is a Linux utility set for Wi-Spy.
- - Includes userspace drivers for hardware
- - graphing UI built on GTK/Cairo
- - servers for remote devices,
- - simple utilities for developing other tools
EaKiu
- - EaKiu for OSX and EaKiu Remote for iPhone
- - designed to work with the MetaGeek Wi-Spy series of wireless
- - USB hardware spectrum analyzers