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Shanghai Qunan Electronics Co., Ltd
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Shanghai Qunan Electronics Co., Ltd
China
Company Profile
Company Contact
Name:Ms. Kettering Chan [Sales]
E-mail:Send Message
Homepage:
Instant Messaging:
Windows Live: ketteringchan@hotmail.com ketteringchan@hotmail.com
Google Talk: kettering@gmail.com  kettering@gmail.com
Mobile Number:Mobile number of Ms. Kettering Chan at Shanghai
Phone Number:Phone number of Ms. Kettering Chan at Shanghai
Fax Number:Fax number of Ms. Kettering Chan at Shanghai
Address:Pucheng RD 439#,Pudong,Shanghai
Shanghai 200120, Shanghai
China
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Registration Date:May. 24, 2023
Last Updated:Mar. 20, 2007
Business Nature:Manufacturing of Security & Protection category

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Company Brief

Shanghai Qunan Electronics Co., Ltd, is a high-tech industry company integrating with research and development, manufacturing and marketing , based video transmission technology, video surveillance digital technology and professional surge protection technology-oriented.
Our company headquarters is located in Lujiazui international trade and financial district, Pudong, Shanghai, China, with independent R& D centers, testing centers and manufacture bases in Zhejiang and Shenzhen provinces. And our series products of " Video Transmission, Surge Protection " have got " Technology Innovation Award " issued by the Science and Technology Committee of the Zhejiang Province. And they have been appropriated the " Technological Innovation Fund " by the state. Our products of " Video Transmission, Surge Protection " can really give users environmental protection, saving the cost of cables and win the customer' s endorsement. Our corporation has own independent export droit and all exports have passed " CE, UL, FCC " product quality certification.
After several years of continuous innovation and development, we continuously absorb craft brother and foreign advanced manufacturing technologies. At the same time, we cooperate with the distinguished colleges and research organizations, establishing and keeping R& D partnership. And we make full use of the latest achievements of modern high-tech fields. Not only the product quality but also the technical performances exceed craft brother. To meet the full demands and application of the users, we are always doing our endeavor to provide reliable technical support and services.
Technology, service, security space.

Major Products / Services
Seller:
  • Passive CCTV Balun
    PAL, NTSC, SECOM All-systems compatible;
    Eliminates coaxial cable Up to 300 meters (1000 feet) via Category 5 unshielded twisted-pair cable
    Open on spot and easy adjustment Convenient installation
    Environment
    Close-Circuit TV (CCTV) equipment for security and surveillance
    Normal Output Level 1Vp-p/ 75ohms
    Bandwidth Video: DC to 6 MHz.
    Differential Gain 2%
    Differential Phase 2°
    Weighted Signal-noise-ratio 60dB
    Strong ability of anti-interference
    surge protection: 6000V/ 1.2¼S
    Insertion Loss Less than 1.5 dB per pair over the frequency range from DC to 6 MHz
    Max. Distance Color Cat 3 –492 ft (150m); Cat 5 – 738 ft (225m)
    Max. Distance Black & White Cat 3 –1246 ft (380m); Cat 5 – 1804 ft (550m)
    Connectors Two (2) screw terminals for twisted pair
    BNC Connector 175mm(6.89”) Coaxial cable tail included
    Temperature
    Operating: -25° to 70° C. Storage:-25° to 85° C.
    Humidity: up to 95%
    Enclosure ABS fire retardant plastic
    Weight 35g(1.2346oz
    Dimensions
    Length 51mm(2.0”) * Width 30mm(1.18”) * Height 17mm(0.67”)
  • Active CCTV Balun
    It can cooperate with SJ-V-AR active receiver to transmit the color video signals 1510m away
    Environment Close-Circuit TV (CCTV) equipment for security and surveillance.
    Devices CCTV cameras, DVR, Monitor, Switchers and other CCTV equipments
    Input Level 1.5Vp-p/ 100© Max, Balanced
    Normal Output Level 1Vp-p/ 75ohms Unbalanced
    Bandwidth Video: DC to 6 MHz.
    Common Mode Rejection Ratio 15KHz-5MHz: Typical 60dB
    Differential Gain 2%
    Differential Phase 2°
    Weighted Signal-noise-ratio60dB
    Insertion Loss Determined by Automatic Gain Control
    Max. Distance Color/ Black & White Cat 5 UTP: NTSC: –5000 ft (1.5km); PAL: – 4000 ft (1.2km)
    Image Adjustment Automatic Gain Control for Sharpness and Luminosity
    LED Indicator Green Led for Video Signal: Red Led for Power status
    Connectors Two (2) screw terminals for twisted pair
    Power Supply DC12V or AC 24V
    Temperature Operating: -25° to 70° C. Storage: -25° to 85° C. Humidity: up to 95%
    Enclosure ABS fire retardant plastic
    Weight 95g(3.351oz)
    Dimensions Length 55mm(2.16”) * Width 45mm(1.77”) * Height 27mm(1.06”)


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