Description
The Channel Master HD ATSC Modulator is a professional-grade encoder/modulator designed for commercial and residential installations. The ATSC HD Modulator converts a video signal from HDMI format to a digital channel (ATSC) format. The digital channel can then be output via the coaxial RF output on the back of the device. The digital channel number (Channels 1-99) is user selectable. Digital channels that are generated from this device can be scanned and tuned by most TV and set-top box ATSC/OTA tuners. Equipped with a front panel display and menu navigation buttons, settings such as RF channel number, virtual channel number and RF output level can be configured without the use of a computer. The modulator can also be managed over a local network via the built-in ethernet port.
Specification
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Place of Origin: Guangdong, China |
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Model Number: GDM-023 (CM-1050) |
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ITEM |
TYPICAL |
Q.C LIMIT |
TEST CONDITIONS |
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1. RF Output |
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Connector |
Female TYPE-F |
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Impedance |
75 ohms |
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Output Frequency Range |
CH2~CH69 |
57MHz ~803MHz |
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Low Band CH2~CH13 |
57 MHz ~213MHz |
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High Band CH13~CH69 |
473MHz~803MHz |
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RF Out Level |
100dBµV |
100dBµV ± 5dBµV |
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RF Out Level ADJ |
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0dBm~-30dBm |
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MER |
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≥33dB |
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2. RF Input |
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Connector |
Female TYPE-F |
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Impedance |
75 ohms |
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FREQ. RANGE |
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50~ 950 MHz |
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INSERTION LOSS |
- 4.8dB |
- 4.8 dB MAX. |
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3. HDMI INPUT |
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Connector |
HDMI JACK |
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Compatible format |
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Auto / 480I / 480P / 576I / 576P / 720P / 1080I / 1080P |
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4. Front Panel Function |
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ENTER |
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▲UP |
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▼Down |
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◀ Left |
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▶ Right |
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Display |
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LCD |
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5. USB2.0 |
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Connector |
USB2.0 JACK |
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Signals |
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Firmware Update |
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USB Power Load |
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5VDC 0.5A |
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6. Ethernet |
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Ethernet Port |
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RG45, 100M |
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Remote management |
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Web Management |
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7. Capttion |
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Input Connectors |
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Closed Caption (RCA yellow) |
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8. General Data |
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Software |
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Software Version |
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Supply Voltage |
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AC100V~240V |
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Power Consumption Max |
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10W |
10W Max in AC input |
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Working Temperature |
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+5℃ to + 40℃ |
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Storage Temperature |
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-20℃ to + 65℃ |
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Environmental |
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Temperature |
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0℃ to + 40℃ |
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Humidity |
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40RH to 90RH |
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Mechanical Specification |
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Dimensions |
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172*126*32mm |
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Weight |
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0.6Kg approximate |
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Goodmind Electronics (Shenzhen) Co., Ltd.
Goodmind Electronics (Shenzhen) Co., Ltd. was established in 1992 focus in TV broadcastingsystem, Own in house vertically integratedmanufacturing capability with experienced & professional engineering teamproviding ODM service for cable / satellite / terrestrial / IPTV broadcastingsystem products
of industry experience
production building area
workshop production worker
R&D personnel
High Quality
Quality determines everything. The entire factory adheres to daily 5S management standards. In the process of production, we strictly follow quality inspection processes at various stages, including QC, IPQC, QC, CFQC, QA, in both the production process and incoming materials, as well as rigorous quality control engineering and supply chain management.
OEM/ODM Services
Customized research and development of signal processing equipment across the entire industry chain, backed by 30 years of accumulated R&D strength. With a mastery of new technologies, we meet high-quality and efficient customization requirements, providing a one-stop solution.
Professional Team
We have a team of industrial product design engineers who can design and develop solutions according to customer requirements. With our own laboratory, we have a comprehensive production system covering shape creation, functional development, circuit design, experimental testing, mold production, injection molding, and assembly to meet diverse needs.
What is a HD modulator?
Every HDMI input signal will be converted into an RF (or "antenna") signal by an HDMI-modulator. This can be distributed via your home's ordinary television cabling; it doesn't require special cabling. Every television set that is connected will allow you to view every HDMI source in full high definition.
FAQ
Q: What is an HD ATSC Modulator?
A: An HD ATSC modulator is a device that converts high-definition (HD) video and audio signals into the ATSC standard format for digital television broadcasting.
Q: How does an ATSC Modulator work?
A: It takes in the digital HD signal and modulates it into the specific format defined by the ATSC standard. This modulated signal can then be broadcast over the airwaves.
Q: What is the purpose of using an ATSC Modulator?
A: The primary purpose is to enable the transmission of digital HD content over the air, making it accessible to viewers with ATSC-compatible television receivers.
Q: What are the key features of an HD ATSC Modulator?
A: Features may vary, but common ones include support for various video and audio formats, modulation parameters compliant with ATSC standards, and sometimes additional features like error correction.
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