https://www.asmag.com/project/resource/index.aspx?aid=16&t=secutech-made-in-taiwan-products-and-solutions
Product Info
CTHDA 1 GHz Multi-Media Drop Amplifiers

CTHDA 1 GHz Multi-Media Drop Amplifiers

North American Cable Equipment
Region: United States of America
Update: 04/07/2006
Key Specifications
. With a single input, single output and 15 dB forward gain with passive return

. All mountable and intended for use in CATV systems requiring two-way multi-media networking

. High isolation between ports, 6KV surge protection on all ports, electrostatic discharge protection, and zinc die cast housing to prevent RFI

. Adjustable forward gain control and an FM trap

. Remotely powered over coax, line powered through an RF port, or externally powered through a "power-in" port

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