Cisco CWNP WiFi/Wireless Certificate discuss about fundamental logic behind WiFi networks, also making sure truly future driven knowledge is transferred. If you are a beginner or one who want to understand WiFi technology this is where you can start!! Hoping this will be helpful :)
Thanks to Koenig Solutions for this wonderfullSession.

Few links you may also refer -
https://www.cisco.com/c/en/us/training-events/training-certifications/certifications/associate/ccna-wireless.html
https://www.cisco.com/c/dam/en/us/solutions/collateral/enterprise-networks/cleanair-technology/Cisco_Premium_final.pdf