The Vintage RAMSEY PE-6400 Quick-Page Paging Encoder is a rare and sought-after device manufactured by Ramsey Electronics in the United States. This AC-powered encoder is designed for industrial automation and motion control applications, featuring digital output for precise and efficient operation. With its compact unit quantity and original design, this pager encoder is a valuable addition to any system requiring reliable and accurate encoding capabilities. This item turns on and the screen lights up. not all functions have been tested.