Description
This 4CH Full HD encoder modulator is MPEG-2 designed for particular MPEG-2 application markets. With built-in MPEG-2 Full HD encoder, this encoder modulator is suitable for different applications such as hotels, schools, motels and MDUs.
4 CH Full HD Encoder Modulator is a piece of equipment designed to handle four video channels simultaneously, encode the video signals into Full HD resolution, and modulate them onto a carrier signal for transmission. This type of device is useful in scenarios where multiple video channels need to be efficiently processed and distributed.
Specification
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Place of Origin: Guangdong, China |
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Model Number: GDM-031 (GBM-860AL3) |
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INPUT |
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Video Input |
HDMI |
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Audio Input |
HDMI |
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Video System |
480i/p, 576i/p, 720p, 1080i/p |
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Caption |
Composite Video |
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COMPRESSION |
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Video |
MPEG2 |
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Video Resolution |
1080p 25 / 30 Max |
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Video Bit rate |
18Mbps Max |
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Audio |
MPEG-1 Audio Layer 2, AAC-LC, AC3 |
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Editable field |
PMT PID, Video PID, Audio PID, Short Name, Long Name, PSIP TSID, Major NO., Minor NO., Source ID |
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RF OUTPUT |
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Type |
1 Multiplex QAM with a digital TV service |
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Frequency Range |
57~861 MHz |
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Output Level |
90 dBuV Min. |
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Channel Level Adjustment |
0 dB ~ -30dB |
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MER |
35dB Typically |
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Attenuation step |
1dB per step |
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CONNECTIONS |
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HDMI IN |
HDMI IN |
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RF Output |
1 QAM RF output |
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Caption |
RCA |
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LAN |
Web Management |
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USB |
S/W Update |
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GENERAL |
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Modulation |
Standard: QAM (J.83 Annex B) Constellation: 256QAM, 64QAM Bandwidth: 6MHz Channel Type: STD Closed Captioning Support |
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Power Supply |
12 VDC 1.0 A |
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Display |
LCD panel @ 2 x 16 characters. |
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Dimension |
153.8 x 101.4 x 25.6 mm |
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Rack Mount |
4units in 1U Height Shelf (Option) |
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Environmental for operating |
Temperature: 5°C- 40°C Relative Humidity: 80% @ 30°C |

Goodmind Electronics (Shenzhen) Co., Ltd.
We are a professional manufacturer specializing in the production of debuggers. With mastery of core patented technologies and extensive data and experience accumulation, to achieve the sustainable business goals of the enterprise, we always adhere to combining our expertise with a diversified global supply chain network. This approach aims to minimize your investment risks and maximize returns. With keen industry insights and a full set of digital tools, we can effectively manage the entire product lifecycle, effortlessly fulfilling your commitments to customers.
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4 CH Full HD Encoder modulator related issues?
What are the advantages of using a 4 CH Full HD Encoder Modulator?
Advantages include efficient use of bandwidth, the ability to process multiple video channels in one device, and compatibility with standard distribution systems.
Is this modulator suitable for live broadcasting?
Yes, these devices are often used for live broadcasting applications, where multiple live channels need to be encoded and transmitted simultaneously.
How is the output signal typically distributed?
The modulated signal can be distributed using standard cable systems or other distribution methods suitable for RF signals.
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FAQ
Q: What is a 4 CH Full HD Encoder Modulator?
A: A 4 CH Full HD Encoder Modulator is a device designed to handle and process signals from four different video channels simultaneously. It encodes these video signals into Full HD (1080p) resolution and modulates them onto a carrier signal for transmission.
Q: What are the typical applications for a 4 CH Full HD Encoder Modulator?
A: These devices are commonly used in broadcasting, cable television, hospitality industry, digital signage, or any scenario where multiple video channels need to be encoded, modulated, and transmitted efficiently.
Q: How does the encoding process work?
A: The encoder part of the device converts analog or digital video signals into a compressed digital format suitable for transmission. This compression is necessary to optimize bandwidth usage.
Q: What is modulation, and why is it needed?
A: Modulation is the process of encoding information onto a carrier signal. In the context of a 4 CH Full HD Encoder Modulator, it involves embedding the encoded video signals onto a carrier signal, typically in RF (Radio Frequency) format, for transmission over cable or other distribution mediums.
Q: What types of video sources are compatible?
A: These devices are usually compatible with various video sources, including cameras, satellite receivers, DVD players, and other video playback devices.
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