The major events of life, personal and professional are celebrated in restaurants. Customers will make orders and wait for the ordered meals. Sometime customers want to change ordered menu, or they do not feel satisfied about the services offered. There are many others reasons for this feeling of dissatisfaction. These issues could be solved by implementation of WiFi menu-ordering technology which is computerized system that applies in restaurants ordering services. With implementation of PDA (Personal Digital Assistance) wireless technology restaurant services can be improve easily. This PDA in ordering management system at restaurant involve four subsystem which is waiter/waitress (mobile device: pocket PC), the cashier ( system controller), Kitchen department (Screen display), Main server PC (web service system) .By using technology in restaurant, will help to increase overall productivity of an organization. This system provides fast services and can minimize the waiting time spent at the restaurant because of the greater speed of service.