A practical introduction to Dynamic Frequency Selection
Have you ever wondered why certain channels in the 5 GHz band, more specifically in the 5.25-5.35 GHz (UNII-2) and 5.47-5.725 GHz (UNII-2e) frequency bands are (almost) never in [...]
Post processing captures in Airtool with Python
For the past WLAN Professionals Conference in Phoenix, AZ (February 21-23, 2017), I collaborated with Brian Long for the development of a feature in Airtool to allow users to [...]
Understanding the scan modes in WiFi Explorer Pro
Wi-Fi scanning is one of the basic functions in a wireless network. It is the mechanism by which a client device (e.g. computer) or an application discovers the wireless [...]
Automatic data frame slicing in Airtool
Troubleshooting Wi-Fi networks at the protocol level involves the analysis of control, management, and data frames. When doing save-to-disk captures of these frames for analysis, files sizes can grow very [...]
Link-layer header types: what do I need to know?
A few weeks ago I released Airtool, a simple menubar app for OS X that allows you to easily perform 802.11 frame captures on a single or multiple channels. [...]
