Aiphone GF-10K is a digital keypad module for use with the GF-NS digital name scrolling apartment intercom system. It allows users to dial room numbers, enter access codes, and search for names using the keypad. The GF-10K can be used to call other apartments, open doors, and communicate with visitors. It features a backlit LCD display that shows the current status of the system, such as the time, date, and any incoming calls. The GF-10K is a versatile and easy-to-use device that can be used to enhance the security and convenience of any apartment building.