Triplett WiFi Hound 2.4 GHz and 5 GHz Wireless Network/RF Spectrum Analyzer to Visualize and Troubleshoot Wi-Fi Issues for Smart Homes, Businesses, and More (WFHOUND): Amazon.com: Industrial & Scientific
Best WiFi analyzer apps for iPhone and iPad in 2023 - iGeeksBlog
WLAN Analyzer and Decoder - CommView for WiFi - Spectrum Analysis