WiFi Explorer Pro 3 uses your Mac’s built-in Bluetooth Low Energy (BLE) radio to scan for proximity beacons.
Inspectors
The Proximity Beacon inspector
Information about nearby proximity beacons in WiFi Explorer Pro 3.
The 
Proximity Beacon inspector shows information about nearby proximity beacons. Two types of proximity beacons are supported: iBeacon and AltBeacon.
You can use the information provided by the Proximity Beacon inspector to detect the presence of proximity beacons or to design, validate, and troubleshoot the deployment of proximity beacons as part of a Wi-Fi network installation.
A list of the columns available in the Proximity Beacon inspector is shown below: