ExcomNet is an early payment system for Internet access service through WiFi in hospitals and hotels. ExcomNet is compatible with ExcomPlus and ExcomPhone systems. The ExcomNet system allows you to automate the prepaid Internet access service via WiFi in a convenient and economical way. The system includes WiFi antennas, the associated network electronics, ExcomNet server and vending machines. To access the Internet through the WiFi network, the user must purchase a ticket with a 10-digit code from a vending machine. Next, the user must connect to the WiFi network indicated on the ticket and, when requested by the system, enter the 10-digit code.