As you’ve seen, Wireshark typically shows six individual columns in the Packet List pane. Before we proceed with any additional wireless analysis, it will be helpful to add three new columns to the Packet List pane:
The RSSI (for Received Signal Strength Indication) column, to show the radio frequency (RF) signal strength of a captured packet
TX Rate (for Transmission Rate) column, to show the data rate of a captured packet
The Frequency/Channel column, to show the frequency and channel on which the packet was collected
These indicators can be of great help when troubleshooting wireless connections. For instance, even if your wireless client software says you have excellent signal strength, ...