With their advanced optical technology and ultra-thin high quality fingerprint image sensor design, Holtek's wide range of fingerprint recognition sensor and module products, provide designers with a means of including fingerprint recognition functions into their products. The GTU series with their USB interface permit convenient fingerprint image downloading to a PC, while moving up a level, the GTM series include a 32-bit ARM core Holtek microcontroller, UART/USB interface and full fingerprint recognition algorithms for enrollment, verification and erase functions. Whatever the requirements, from sensor only to functionally rich module, Holtek's offers the solutions to allow integration of fingerprint recognition functions into a wide range of security product applications.