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  2. HD-SDI Extra Long Range Coaxial Cable Repeater 12V DC Power Supply



    Price:  $175.00


    • Extend HD SDI signal over 75Ω coax cable up to 200M.
    • Support SDI (SMTP 259M), HD-SDI (SMTP 292M), 3G-SDI (SMTP 424M).
    • Support video signal NTSC, PAL, 720p, 1080i, 1080p.
    • Built in RS485 control with half duplex speed up to 57,600 bps, but which effects only when using 2 piece or more than 2 pieces AMPSDI-02 long range installation.
    • Ability to do multiple repeaters application up to 5 pieces with distance 1KM (Max.)
    • Ability to send power to next AMPSDI-02 repeater unit over coax cable from the remote repeater (nearest the DVR) when using 2 piece or more than 2 pieces AMPSDI-02 long range installation.
The DM-AMP1 is a repeater for HD-SDI links operating with 75Ω coax cable. It can be daisy chained
together up to 5 pieces of DM-AMP1 with working distance 1KM. When using multiple DM-AMP1 repeaters installation, the repeater power could be send over coax cable from the remote repeater (nearest the DVR). It also support RS485 data control as well. The application could be using for HD CCTV HD-SDI camera extra long range video monitoring.

Note: DM-AMP1 repeater built in “POC” (POWER OVER COAX) function, which will send power
automatically to next DM-AMP1 repeater via BNC connector. But for a few SDI cameras
(equipments) whose BNC connector built in 10K resistor. It will make DM-AMP1 send power
automatically to your SDI equipments and damage your SDI equipment.
 Before installation, we strongly recommend you to measure your SDI equipment BNC
connector without built in 10K resistor.
As below diagram:


SDI Standard / Protocol  SMTPE 259M - SDI(143 to 360 Mbps)
SMTPE 344M - (540 Mbps)
SMTPE 292M - HD-SDI(1.485 Gbps)
SMTPE 372M - dual link HD-SDI(2.97 Gbps)
SMTPE 424M - dual speed HD-SDI(2.97 Gbps)
SDI Input Connector  BNC 75Ω
SDI Output Connector BNC 75Ω
Power Consumption  70mA (Max) 
Power Supply  Switching DC12V 500mA 
Temperature  Operation: 0 to 55℃, Storage: -20 to 85℃, Humidity: up to 95% 
Dimensions  67 x 91 x 27 (mm) 
Weight  200 g 




I have purchased a few systems through DVR Master. Each time I have made a transactions, had a warranty issue or just a general question, I have been extremely satisfied with the results. Service is prompt and prices are extremely competitive. In dealing with Leah (my contact for the company) she never disappoints and has always gone above and beyond to make sure we get the five star service experience. 10/10 I highly recommend!
A.J. Taylor
General Manager
Galaxy Tulare 10,Tulare, CA
I have been using DVR Master and service for the last 8 years. That's because I can always count on the DVR Master team for the best products, best pricing and superior customer Service time and time again. They go out of their way to make sure I am always a satisfied customer. Leah is our rep and she goes out of her way to support us. I highly recommend DVR Master.
Doug Reeder
Ore-Com Telecommunications, LLC, Portland, OR
Kudos for Jessica. I just wanted to take a moment and express my heartfelt thanks for your knowledge of your product line, your skills in navigating your systems, your responsiveness both online and on the phone and your excellent customer service attitude. It is people like you that engender long term customer relationships that are foundational to any organization's success over the long term.
Bradley Young
Charleston, WV
I want to say thank you for the excellent tech support from DVR Master and much thanks to Jessica for helping us get the tech support that we needed for remote access. We also want to thank the management and tech support team for a job well done and great customer support. We look forward to doing more business with your company.
IT Director
Orangeburg, SC
Leah and the tech support team are Knowledgeable and helpful in advising on and supporting their products. Thanks.
Junaid Ali
Collabotive Inc., Plano, TX