Title: Chongqing Communication Cable ParameterPrice List
Introduction:
Chongqing, a bustling metropolis in Southwest China, is the economic and political center of the region. As a city that relies heavily on telecommunications, Chongqing has an extensive network of communication cables that connect various regions within the city and to neighboring cities and even other countries. The communication cables play a crucial role in providing reliable and efficient internet access, telecommunication services, and data transfer for businesses, individuals, and government agencies. In this article, we will provide a comprehensive overview of the parameter price list for Chongqing communication cables, which includes information on cable types, lengths, specifications, prices, and more.
Communication Cable Types:
There are several types of communication cables used in Chongqing, including copper cables, optical fibers, and coaxial cables. Each type has its unique advantages and disadvantages in terms of performance, cost, and deployment suitability. The following sections provide detailed information on each type of communication cable.
Copper Cables:
Copper cables are the most common type of communication cables used in Chongqing. They are made from pure copper wire and are suitable for both indoor and outdoor installations. Copper cables can be divided into two main categories based on their cross-sectional shape: round wires (twisted pair) and square wires (single-mode). The following parameters are commonly specified for copper cables:
* Cross-Sectional Shape: Round wires (twisted pair) or square wires (single-mode)
* Material: Pure copper wire
* Conductivity: Depending on the application, different grades of copper wire with specific conductivity values are available
* Diameter: Range from 12 mm to 100 mm for twisted pair cables and 96 μm to 13μm for single-mode cables
* Length: Can vary from a few meters to several kilometers, depending on the specific requirements
* Installation Method: Underground, underground viaduct, aerial, or manhole-mounted
Optical Fiber Cables:
Optical fiber cables are primarily used for long-distance communications due to their high bandwidth, low latency, and immunity to interference. Unlike copper cables, optical fiber cables do not transmit electrical signals but rather use light waves to carry data. The following parameters are commonly specified for optical fiber cables:
* Type: SZ、SYW、SC(单模)、LC(多模)
* Material: Glass or plastic fiber
* Core: Single-core or multi-core fiber
* Formation: Fused silica or polypropylene carbonate
* Wavelength: Ranging from 850 nm to 1600 nm for single-mode fibers and from 1300 nm to 1600 nm for multi-mode fibers
* Number of Cores: Single-core fibers have a maximum number of approximately 72 cores per bundle, while multi-mode fibers can have up to several thousands of cores per bundle
* Length: Varies depending on the specific requirements, but typically ranges from a few meters to several kilometers or even hundreds of kilometers for long-haul optical fiber links
* Installation Method: Underground, aerial, manhole-mounted, or buried in trenches or ducts
Coaxial Cables:
Coaxial cables are similar to copper cables but use a thin metal shell around the central core to protect the inner conductor from external interference. Coaxial cables are commonly used for television and radio transmissions as well as cable television systems. The following parameters are commonly specified for coaxial cables:
* Type: Coax cable with either UHF or VHF frequency range
* Material: Aluminium alloy or steel braided shielded wire
* Inner conductor: Copper wire or aluminum wire
* Outer cover: Steel braided shield or plastic sheathing
* Length: Can vary from a few meters to several kilometers depending on the specific requirements
* Installation Method: underground, aerial, or manhole-mounted
Pricing Factors for Communication Cables:
The price of communication cables in Chongqing is influenced by several factors, including the type of cable, length, material quality, installation complexity, and market demand. The following sections provide an overview of the pricing factors that determine the price of communication cables in Chongqing.
Type of Cable: As mentioned earlier, different types of communication cables have different performance characteristics and costs. Copper cables are generally less expensive than optical fiber cables but may be more suitable for short distances or applications with lower bandwidth requirements. On the other hand, optical fiber cables offer higher bandwidth, lower latency, and immunity to interference but come at a higher cost. Coaxial cables are also relatively inexpensive compared to optical fiber cables but have limited bandwidth capacity.
Length: The length of the communication cable plays a significant role in determining the overall cost. shorter cables tend to be cheaper than longer ones since they require less material and installation labor. However, longer cables may offer better performance features such as higher bandwidth and reduced signal attenuation. Moreover, longer cables may require specialized equipment for handling and installation.
Material Quality: The material quality of the communication cable affects its performance, durability, and longevity. Higher-quality materials such as pure copper wires or glass/plastic fibers can result in more expensive cables but also offer better performance characteristics and resistance to environmental factors such as moisture and temperature.
Installation Complexity: The complexity of the installation process can also influence the pricing of communication
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