Pro AV Catalog
4355 Excel Pkwy
Suite 600
Addison
TX
75001
United States
Contemporary Research
Contemporary Research has been a leading innovator and manufacturer of professional AV products for over 20 years with an emphasis on HDTV distribution, tuning, and control over RF coax and IPTV networks. All CR products are manufactured in the US and come with a 2 year warranty.
Model: 5092-001
The QDA4-45 is an amplified RF combiner that can switch between one or four inputs, with adjustable amplification up to 50 dB.
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