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Spain Indoor CATV Antenna Amplifier (SHJ-TA9503)
Negotiable
500 Pieces
Product profile
Customization
AvailableApplication
Industrial, Commercial, Residential / General-PurposeCustomized
Non-CustomizedModel NO.
SHJ-TA9503Usage
TVWave Range
5-1000MHzType
AnalogIndoor Amplifier
40-862MHzInput
DC 12V-15VFrequency Range
47-862MHzGain
14db/24dbGain Control
YesScreen Factor
More Than 75dbPower Supply
AC 230V+-10VPackage Measure
55*35*38cm 50PCS/CartonPackage G.W/N.W
16.5/15.5kgTransport Package
Colour BoxesSpecification
CE, ROHS, ISOTrademark
OEMOrigin
ChinaHS Code
8529109090Production Capacity
30000PCS/MonthKey features
Wide Frequency Range: Supports 47-862MHz for FM, VHF, and UHF signals.
High Gain Performance: Provides 14dB gain for VHF/FM and 24dB for UHF.
Effective Signal Screening: Features a screening factor of more than 75dB at 470MHz.
Low Noise Figure: Ensures clear signal with a noise figure below 3dB.
Adjustable Gain Control: Includes 10dB gain control capability for optimal performance.
Standard Impedance Match: Designed with 75 Ohm input and output impedance.
Company profile

Business Type: Manufacturer/FactoryAverage Response Time: ≤3.22h
AI-Powered supplier vetting
SummaryChangzhou Shengshijia Electronic Co., Ltd. is identified as a China-based manufacturer/factory and limited company operating in Changzhou, Jiangsu. The provided information indicates activity in CCTV, wind-generation equipment, power generators, lighting, and related electronics, with 10 production lines, 6–10 quality-control staff, ISO 9000 and ISO 9001 certifications, and 11–20 years of R&D engineer experience. It states that the supplier offers OEM services, warranty coverage of 1–3 years, and lifelong maintenance. Production quantities are explicitly reported for several products, although some productivity entries are incomplete or inconsistent. No customer names, project references, or other verifiable customer cases are provided. Financial credibility cannot be assessed from the available information without using financial figures.
Supplier typeThe supplier is described as a Manufacturer/Factory and a limited company, with the legal name Changzhou Shengshijia Electronic Co., Ltd. Its stated address is in Wujin High-Tech Industrial Development Zone, Changzhou, Jiangsu, China, and its own description identifies it as a professional CCTV solution supplier.
CertificationsThe supplier is explicitly reported to hold ISO 9000 and ISO 9001 management-system certifications. These certifications provide direct evidence of formal quality-management system implementation.
After-Sales capabilityThe supplier states that it provides a 1–3 year warranty and lifelong maintenance service. This is explicit evidence of defined warranty and continuing maintenance support, although the scope and service process are not specified.
R&D capabilityThe supplier reports 11–20 years of total experience among its R&D engineers and offers a broad range of CCTV, generator, wind-energy, lighting, and controller/inverter products. This supports an established technical product-development capability, but no patents, new-product records, or specific R&D achievements are provided.
Production capacityThe supplier reports 10 production lines and 6–10 quality-control staff. Annual output is explicitly stated as 100,000 pieces each for hand-crank generators, permanent-magnet wind generators/alternators, and CCTV cameras, plus 1,000,000 multi-function shoulder lights and 5,000,000 TV wall socket/satellite-finder/antenna-amplifier units. Some productivity entries are incomplete, but the reported figures demonstrate substantial stated production capacity.
Customization capabilityThe supplier explicitly states that it provides OEM services, and its product range covers multiple specialized electronic, security, and green-energy products. This supports customization capability, although the available information does not detail engineering processes, minimum order requirements, customization scope, or completed customized projects.
Product Q&A
Q:What is the frequency range of this CATV amplifier?
A:
The frequency range is 47-862MHz, covering FM, VHF, and UHF bands.
Q:What is the gain of the amplifier for different bands?
A:
It provides 14dB gain for VHF/FM and 24dB gain for UHF.
Q:Does this amplifier support gain control?
A:
Yes, it features 10dB gain control capability.
Q:What is the screening factor of the device?
A:
The screening factor is more than 75dB at 470MHz.
Q:What are the input and output impedance values?
A:
Both input and output impedance are 75 Ohm.
Send Inquiry
*To:
Changzhou Shengshijia Electronic Co., Ltd.
Changzhou Shengshijia Electronic Co., Ltd.*Content:
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