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How to design OTP (One Time Password) Based Authentication Hotspot Solution for Coffee Shop Hotspot stands for an area where we get internet access with wireless network or WiFi. Internet and Hotspot a combination of growing technology to provide wireless internet access. Today hotspot solutions most important things in every area like, hotels, education campuses, office areas, coffee shops, and smart city concepts. This all thing never be complete without the hotspot system. A secured Wi-Fi system always works best if we have an OTP based hotspot gateway solution. How to Connect Any Wi-Fi without Password from Mobile? Hotspot system incomplete without making it secure and traceable. so if you are going to create a hotspot on campus, hospitality, and coffee shop then you must make a managed authentication system that can track user's activity as well as contact details. SMS based authentication hotspot most popular and secured solution forever commercial and non-commercial wifi zone. In this post, I will describe to you what should you required to create an OTP based hotspot system for coffee shop restaurants and another area where we can’t monitor users physically. To create an OTP based hotspot gateway there is some hardware and software specification required which make it possible. The OTP authentication means when any user wants to use Wi-Fi then he has to do one-time password authentication to access the hotspot. The 5 Best Open Source Captive Portal for Hotspot Authentication The requirement to Create SMS Based Authentication Hotspot Solution There are many software and hardware required to create a hotspot system with OTP SMS Based Authentication internet access. See below what are the requirement for design an OTP authentication hotspot solution. Internet Connection Wireless Access Point Authentication Gateway / Bandwidth Management SMS Module or SMS bulk base subscription. UBNT UniFi Controller Captive Portal Setup with Facebook Login After complete, all the hardware and software requirements now the question is how to integrate the wireless Gateway and SMS module to get OTP on phone to access the internet. 1:- Internet Connection Internet connection will be required to create a hotspot solution with one-time password authentication to get access to the internet by any Wi-Fi users. 2:- Wireless Access Point Wireless Access Point will create a Wi-Fi zone where we can access the internet through Wi-Fi. The quantity of Access point depends on the area size of the coffee shop and total concurrent user load. How to block any Website and Apps on basic WiFi Router 3:- Authentication Gateway / Bandwidth Management Authentication Gate will work for creating a captive portal with the authentication method and also manage the bandwidth plan according to speed and time-based. Best Billing and bandwidth gateway for your network 4:- SMS Module / SMS bulk plan Some of the bandwidth management and integrate gateway work with SMS module and SMS module integrated with third party SMS plan. You can also buy SMS bulk plan accordingly the user strength of your network. How to integrate Authentication gateway with SMS Module If we want to create an OTP (one time password) based login page than required proper integration of the SMS module and internet gateway. To know how it works see the below network diagram for airport, hotel and coffee shop 1-: In this network, diagram the Internet will connect to Gateway WAN port. 2:- Gateway will create the authentication system and will integrate with the SMS module. 3:- User will connect to Wi-Fi and will get a Mobile input captive portal. How to Add Multiple SSID in Single Access Point 4:- Gateway will send an OTP through the SMS Module in user mobile. 5:- the user will input the OTP on the internet access page and will get successful authentication and internet start working. 6:- the user will continue to enjoy the internet as per plan created in bandwidth gateway. Best Firewall For Home This is a basic Concept of OTP based authentication hotspot gateway design for the coffee shop, the airport area, hospitality, campus, and open market area. After OTP based authentication gateway will save the user mobile number details for future security. In case anything wrong happens by the user you can track them with contact details. OTP based solution one of the most demanding solution in every hotspot area. To use the SMS module and bulk SMS pack you get many third-party companies who provide SMS in bulk with their API id to integrate it with your bandwidth and authentication gateway. Get an OpenSource Captive portal solution for your network now. Related Post How to check who is using your Wi-Fi from Mobile (3 Way) How to Solve 10 Common internet and Wi-Fi problem in Home and Office How to use WhatsApp without Phone Number with Tricks How To Change Default Mikrotik Hotspot Login Page with your own Design