Network Inspector is a tool that allows you to collect many information about your wifi network. this app is a free wifi analyzer that can be use to analyze your wifi's signal strength.in addition to get some useful information like your wifi's mac address, IP address, BSSID, DNS address.beside the ability to check whether your wifi network supports 5GHZ band feature or not
The information that Network Inspector provides:
Status: shows if your device connected to a wifi or not
MAC address: is a unique identifier assigned to a network
IP address: is a unique address that identifies a device on the internet or a local network
wifi signal strength: gives you a percentage of how strong is the signal of the wifi
5GHZ band Support: is it a feature that provides less coverage but transmits data at faster speeds
BSSID: is the MAC address of the AP's radio for that service set
DNS address: the Internet's system for mapping alphabetic names to numeric Internet Protocol