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QAM-to-QAM Regenerative Repeater DTV Modulator For Reginal Edge Headend System
Negotiable
MOQ: 1 Piece (Price negotiable depending on order volume and customization)
Key Specifications
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Brand Name:
GOSPELL
Place of Origin:
China
Model Number:
GQ-3640
Payment & Shipping
Payment Methods:
Port of Shipment:
China
Delivery Detail:
7 days
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Brand Name
GOSPELL
Place of Origin
China
Model Number
GQ-3640
Delivery Time:Within 7 days
GQ-3640
QAM-to-QAM Regenerative Repeater
GQ-3640 is a QAM-to-QAM regenerative repeater with frequency shifting option. It can receive 2 DVB-C signal from its RF inputs, for demodulating, TS passing through, channel coding and finally output 1[1] QAM signals at adjacent channels. GQ-3640 can be used in the reginal edge headend systems, to improve RF signal quality from the succeeding system and perform QAM frequency shifting according to regioanl network needs, for ensuring signal quality and stability in long distance transmission.
Main Features:
Support ITU-T J.83 Annex A QAM modulation with output frequency range of 30MHz~860MHz Equipped with 2 RF inputs and 2 loop-out ports 1 QAM output with signal coming from either RF input Output level: 98dBuV~118dBuV (single channels, step size = 0.25dB) Support gain fine-tuning for in band level balancing, adjustable range: -2.5~10.5dB Provide - 20dB RF test output Filter circuit tracking design to ensure excellent out-of-band rejection LCD front panel for status checking and device configuration Equipped with serial port for working status monitoring and software upgradingTechnical Specification:
| Input | |
| Port Type | F-type |
| Number of Ports | 2*IN,2*LOOP OUT |
| Input Inpedance | 75Ω |
| Chanel Mode | ITU-T J.83 Annex A/B |
| Frequency | 50~860MHz |
| Symbol Rate | 4.2～7Mbaud/s |
| Constellation | 16/32/64/128/256 QAM |
| Input EPL | -65dBm ~ -25dBm |
| Output | |
| Port Type | F- type |
| Output Impedance | 75Ω |
| Number of Ports | 2 |
| Symbol Rate | 4.2～7Mbaud/s |
| Physical Bandwidth | 4.83～8.05MHz |
| Frequency | 30~860MHz |
| Constellation | 16/32/64/128/256 QAM |
| Output Level | 98dBuV～118dBμV |
| Gain Fine-tune | -2.5～10.5dB,Step size 0.25dB |
| Chanel Mode | ITU-T J.83 Annex A |
| MER | ≥ 45dB (equilibrium on) |
| Isolation | ≥ 75dB |
| Reflection Loss | ≥ 14dB |
| Management | |
| Port Type | RJ-45 |
| Power and Consumption | |
| Input Voltage | 100～240V AC |
| Input Frequency | 50/60Hz |
| Consumption | <15W |
| DC Output | 2A/12V |
| Environmental | |
| Operating Temperature | 5℃～45℃ |
| Storage Temperature | -25～85℃ |
| Humidity | 10%～90% |
| Physical | |
| Size (W x H x D) | 260mm x 44mm x 160mm |
| Weight | <2Kg |
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Business Type
Trading Company
Total Employees
101 - 200 People
Main Markets
North America, South America, Eastern Europe
Location
Binzhou, Shandong, China
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