Pongee is one of the leading manufacturers of signal processing and auto identification products in Taiwan, especially focus on Guard Tour System systems. The controllers we offered are functional expandable to be interfaced with more high technology identification devices such as Proximity, Wiegand & RFID. Pongee consistently strives to do the best in the development and sales of high quality, high technology and reliable products for customers. Volumes OEM or ODM are welcome. For more information, please contact us now.