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

Commander System

Ketec, Inc.
Region: United States of America
Update: 11/22/2006
Key Specifications
- Frequency: 8.2MHz, 9.5MHz, 10.0MHz

- The type of label or hard tag being used to protect the merchandise determines the distance between antennas

- A single aisle system consists of a transmit antenna and a receive antenna

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