https://www.asmag.com/project/resource/index.aspx?aid=16&t=secutech-made-in-taiwan-products-and-solutions
Product Info
Crystal 1 with ABS Box System

Crystal 1 with ABS Box System

MFNE
Region: Taiwan
Update: 12/08/2006
Key Specifications
Product dimensions are 1,500 millimeters by 244 millimeters with 8.2 Mhz and five Mhz frequencies. It is made of 20-millimeter crystal-clear acrylic and an ABS box mounted on a technical control unit.

For more information, please visit the company''s Website at www.sidep.com

https://www.asmag.com/project/resource/index.aspx?aid=16&t=secutech-made-in-taiwan-products-and-solutions