Many large businesses rely on Guest Internet WiFi Internet controllers to manage their Guest WiFi services. WiFi Internet is an essential service for airports of all sizes, for hospitality businesses that include hotels, resorts, campgrounds, RV parks, for special events such as trade shows and for large scale public events that include sports arena, music festival, etc. Guest Internet is designed for business owners who want to operate a WiFi service themselves, don't want to rely and pay third-parties to run the service. It has special features for large businesses; VLAN to permit multi-use of a WiFi network while ensuring SSID’s are isolated, powerful API’s that permit integration with property management and reservation systems and free advanced cloud management with multiple site administration with group management. Guest Internet products are preferred by IT service businesses, managed service providers and systems integrators.