Check the listing for details. HID 20KNKS-02-000000 - Signo Mullion Keypad Reader. Condition: New. Listed at 129.99 USD. The HID 20KNKS-02-000000 Signo Mullion Keypad Reader is a high-quality keypad reader designed by HID Global. This unit is specifically manufactured to provide access control and security solutions for alarm systems and surveillance equipment. With a sleek design and reliable performance, this keypad reader is a essential component for maintaining the safety and security of facilities and businesses. The product offers a user-friendly interface and advanced technology to ensure efficient operation and peace of mind for customers.