https://www.asmag.com/project/resource/index.aspx?aid=16&t=secutech-made-in-taiwan-products-and-solutions
Product Info
Smart Cabling & Transmission SDI05 HD-SDI CAT5 Extender Series

Smart Cabling & Transmission SDI05 HD-SDI CAT5 Extender Series

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

* To send HD SDI signal over CAT5e/6 UTP cable

* Support SDI (SMPTE 259M), HD-SDI (SMPTE 292M) 

* No external power required  

* Up to 45 meters via CAT6 cable at HD-SDI resolution  

* Up to 150M meters via CAT6 cable at SDI resolution. 

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