https://www.asmag.com/project/resource/index.aspx?aid=16&t=secutech-made-in-taiwan-products-and-solutions
Product Info
Anxing HDCVI HDTVI AHD Video Balun

Anxing HDCVI HDTVI AHD Video Balun

Anxing Security Science&Technology
Region: China
Update: 11/10/2015
Key Specifications

Compatible with HDCVI&HDTVI&AHD at the same time

Transmission distance as following:  HDCVI 720P/400m 1080P/250m  HDTVI 720P&1080P/250m  AHD 350m

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