The Function Group is a multi-national company with nearly thirty years of expertise in the fields of designing, engineering, manufacturing, and marketing of telecommunications and network products. Function Group is ISO9001 Quality Management System and ISO14001 Environmental Management System certified. The Function Group&＃39;s primary objective is to exceed customer expectations of "Quality, Service and Innovation". The Function Group is your second to none business partner, bringing your profits to maximum.Our main products include:- Coin/Card Payphone- Fixed Wireless Phones- Fixed Wireless Terminals- Wi-Fi Equipment and Systems- Wireless Signage- Multimedia Kiosk- Doorphone Product