https://www.asmag.com/project/resource/index.aspx?aid=16&t=secutech-made-in-taiwan-products-and-solutions
Product Info
Smart Cabling & Transmission SDI06 HD-SDI Coax Extender

Smart Cabling & Transmission SDI06 HD-SDI Coax Extender

Smart Cabling & Transmission Corp.
Region: Taiwan
Update: 10/29/2015
Key Specifications

* Extend HD SDI signal over 75Ω coax cable up to 300M Max. (RG6U -Belden)  

* Easy to replace analog system to HD-SDI over existing coaxial cable

* Resolve the coax cable sensitive issue 

* Compact size for easy installation 

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