https://www.asmag.com/project/resource/index.aspx?aid=16&t=secutech-made-in-taiwan-products-and-solutions
Product Info
 REBIT SRX312RS Proximity Reader

REBIT SRX312RS Proximity Reader

REBIT Technology
Region: China
Update: 11/03/2006
Key Specifications
*13.56MHZ(megahertz).

*Conform to the ISO 14443A standard.

*The classical appearance design, keep harmonious with modern building.

*Conform to the American installation standard of electrical appliance.

*Conveniently installation in the normal 120mm⊙120mm bottom box.

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