4 CH HDMI To DVB-T Modulator
Delivery term:The date of payment from buyers deliver within days- Price:
Negotiable
- minimum:
- Total supply:
- Delivery term:
The date of payment from buyers deliver within days
- seat:
Guangdong
- Validity to:
Long-term effective
- Last update:
2024-03-20 21:10
- Browse the number:
389
- Good Mind Electronics (Shenzhen) Co., Ltd. By certification [File Integrity]
-
Contact:
gedidz(Mr.)
- Email:
- Telephone:
- Phone:
-
Area:
Guangdong
-
Address:
68 Chaoyang Road, Yanluo Sub-District, Bao'an District, Shenzhen, Guangdong, China
- Website: http://www.rfgme.com/ http://gedidz.netatomi.com/
Product details
Description
4 CH HDMI TO DVB-T Modulator converts digital and standard definition video and audio signals to QAM–outputted onto a single coax line.
Standard features include adjustable RF output, logical channel mapping, and a variety of configuration options.
The modulator's admin functions, channel and RF settings are managed through an LCD front panel display, or by an onboard Web application through a standard browser.
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Specification
Place of Origin: Guangdong, China | |||
Model Number: GDM-009 (GFTM-860Q) | |||
ITEM | TYPICAL | Q.C LIMIT | TEST CONDITIONS |
1. Encoding Section | |||
Video | |||
Encoding | H.264/MPEG-2 | Â | HD: H.264 AVC/HP@L4.0 SD: MPEG-2/MP@ML |
Bit Rate | Â | 256QAM: 7.6Mbps | Â |
Aaverage Encoding | Â | 256QAM: 8Mbps | Â |
Resolution | Â | HD 1080p (HDMI IN) | Â |
Audio | |||
Encoding | MPEG2/AAC | Â | Â |
Sample Rate | Â | 48KHz | Â |
Bit Rate | Â | 384kbps | Â |
2. Input | |||
Video Input | Â | HDMI: 1080p 25/30, 1080i 50/60 Max, YPbPr (1080i, 720P, 576i/P, 480i/P), CVBS: NTSC, PAL | Â |
Y Input Level | 1Vp-p | 1V±0.2Vp-p |  |
Pb/Pr Input Level | 0.5Vp-p | 0.5V±0.1Vp-p |  |
CVBS Input Level | 1Vp-p | 1V±0.2Vp-p |  |
Audio Input | Â | R/L | Â |
R Input Level | 3Vp-p | 3V±0.5Vp-p |  |
L Input Level | 3Vp-p | 3V±0.5Vp-p |  |
Input Connectors | Â | Video (RCA) / Audio (RCA) / HDMI | Â |
3. QAM Modulator | |||
Modulation Types | Â | ITU-T J83 Annex B | Â |
Cable Standard | Â | STD | Â |
QAM | Â | 64QAM, 256QAM | Â |
MER |  | ≥32dB |  |
RF Frequency |  | 57 – 861MHz |  |
RF Output Level | 100dBμV | 100dBμV ±5dBμV |  |
RF Level Adj | Â | 0dB ~ -36dB | Â |
Attenuation step | Â | 2dB per step | Â |
4. System | |||
Local Interface | LCD + control buttons | Â | Â |
Remote management | Â | Web Management | Â |
Ethernet port | Â | RJ45, 100M | Â |
5. General | |||
Power supply | Â | AC Input: 100V ~240V 50/60Hz | Â |
Operation Temperature |  | 0°C - 50°C |  |
Relative Humidity | Â | 20% ~ 80% | Â |
Dimensions | Â | 19" x 12.5" x 1.75" | Â |
Weight | Â | 2.8Kg | Â |
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Company Profile
Goodmind Electronics (Shenzhen) Co., Ltd. was established in 1992 with a registered capital of 18 million U.S. dollars. Its own factory is located in Shenzhen and has more than 1000 employees. It is a high-tech enterprise integrating R&D, production, sales and service , The company specializes in Antenna / Network Communication / Bluetooth / AV Accessories / Smart Home / Car Accessories professional manufacturing company. The factory is vertically integrated. The factory has plastic processing, metal stamping, zinc die casting, SMT , DIP and Assembly center. The company has strong financial strength, professional R&D team, excellented manufacturing equipment and lean manufacturing, and is dedicated to creating high-quality products for customers.
of industry experience
production building area
workshop production worker
R&D personnel
Product Introduction
     4 CH HDMI To DVB-T Modulator
This 4 CH HDMI To DVB-T modulator is designed to receive and pass only unencrypted HDMI content from sources such as media players, digital cameras, PC's and other sources. In meeting HDCP compliance, this device restricts the ability to receive and pass rights-protected HDMI content from sources such as cable and satellite television set top boxes, DVD and Blu-ray players, or other sources of encrypted HDMI content.
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      HQAM-4HD DIGITAL MODULATOR
HQAM-4HD digital modulator converts digital and standard definition video and audio signals to QAM – outputted onto a single coax line.
Standard features include adjustable RF output, logical channel mapping, and a variety of configuration options.
The modulator's admin functions, channel and RF settings are managed through an LCD front panel display, or by an onboard Web application through a standard browser.                                                                                                          Â
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Web Application Administration
Web Admin Overview
The HQAM-4HD includes an onboard administrative console. The console is a Web application accessed by a Windows PC computer or laptop over a network and/or Ethernet connection. This is the preferred method for managing your HQAM-4HD based on the simplicity of the admin pages, and fast access to status and settings.
Remote Administration
In addition to simpler management of the HQAM-4HD, the device can be access remotely over the Internet on any authorized DHCP-enable network.
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Local Administration – Direct Ethernet Access
For installations without network access available, the Web application can be accessed directly by Windows PC computer or laptop by Ethernet cable. Simply change the device IP option from DHCP to Static via the LCD panel following the instructions in Section 4. Front Panel LCD Screen Administration.
Navigating the Web Application Admin Screens
The Web application for your device is used like a simple Website with page buttons. All settings are managed in just three pages – with an additional Status page home screen.
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FAQ
Q: What is the purpose of a digital RF modulator?
A: The purpose of a digital RF modulator is to convert digital signals, such as those from a digital television, satellite receiver, or other digital sources, into RF signals for broadcasting or transmission over a wireless medium.
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Q: How does a digital RF modulator work?
A: Digital RF modulators typically work by modulating a carrier signal with the digital information to be transmitted. This modulation process can involve techniques such as amplitude modulation (AM), frequency modulation (FM), or phase modulation (PM), depending on the specific application.
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Q: Where are digital RF modulators used?
A: Digital RF modulators are commonly used in various applications, including digital broadcasting, satellite communication, cable television, wireless communication systems, and any scenario where digital information needs to be transmitted over RF channels.
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Q: What are the advantages of digital RF modulation?
A: Digital RF modulation offers advantages such as improved signal quality, increased data transmission capacity, and better resistance to noise and interference compared to traditional analog modulation techniques.
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Q:Can digital RF modulators support multiple channels simultaneously?
A: Yes, many digital RF modulators are designed to support multiple channels simultaneously through techniques like multiplexing. This allows for efficient use of available bandwidth and the transmission of multiple digital signals over the air.
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http://www.rfgme.com/
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