India’s Guest WiFi & Captive Portal Knowledge Hub
India’s Guest WiFi & Captive Portal Knowledge Hub
Learn how OTP login, captive portals, RADIUS authentication, PM-WANI and hotspot analytics help businesses provide secure and compliant WiFi access.
Learn Guest WiFi & Captive Portal Technologies
Explore practical guides, tutorials and best practices for building secure WiFi networks, captive portals, OTP login systems, RADIUS authentication and PM-WANI deployments.
Captive Portal Software
Learn how captive portals authenticate users, collect visitor data and provide secure internet access for businesses and public WiFi networks.
OTP WiFi Login
Understand mobile OTP authentication for guest WiFi, compliance requirements and user onboarding best practices.
RADIUS Authentication
Explore FreeRADIUS, MikroTik integration, user authentication, accounting and authorization for hotspot deployments.
PM-WANI
Learn about India’s PM-WANI framework, PDOs, PDOAs and how public WiFi networks can be deployed at scale.
Bandwidth Management
Discover bandwidth shaping, user quotas, fair usage policies and network optimization techniques for WiFi operators.
Guest WiFi Analytics
Understand user behavior, session tracking, login statistics and reporting tools that help improve WiFi services.
Media Coverage & Milestones
IM Free WiFi has been helping connect people through public WiFi initiatives since 2014. Explore our journey, media mentions and community impact over the years.





Our Journey Since 2014
For more than a decade, IM Free WiFi has promoted public internet access, WiFi awareness and hotspot technology in India. Today, we continue that mission by sharing practical knowledge on captive portals, PM-WANI, RADIUS and guest WiFi networks.




Why This Knowledge Hub Exists
When we started IM Free WiFi in 2014, public WiFi and hotspot technology were still emerging in India. Over the years we worked with wireless networks, guest WiFi systems, captive portals and internet access solutions.
This knowledge hub was created to help businesses, hotspot operators, developers and network administrators understand the technologies behind modern WiFi deployments.
