The price of coaxial cables varies significantly across different models, influenced by design specifications, performance capabilities, and application requirements. Understanding these differences helps users make cost-effective decisions without compromising quality. Below is a detailed analysis of the factors driving price disparities and examples of common models.
Key Factors Affecting Price
Material Costs: Cables with high-purity copper conductors (e.g., RG-213) are more expensive than those with aluminum or copper-clad steel cores57.
Impedance and Frequency Range: Cables optimized for high-frequency transmission (e.g., LMR-400) or specialized impedance (e.g., 75Ω RG-6 for video) incur higher production costs26.
Shielding and Durability: Multi-layered shielding (e.g., RG-58/U) or ruggedized jackets for industrial use increase manufacturing expenses28.
Attenuation Performance: Low-loss cables (e.g., LMR-600) designed for long-distance signal integrity are pricier than standard models78.
Brand and Certification: Premium brands (e.g., CommScope, AMP) and certified cables (e.g., plenum-rated RG-174) command higher prices7.
Price Comparisons of Common Models
Model Impedance Typical Price Range (USD per 100m) Key Applications
RG-58 50Ω
20
–
20–50 Short-range RF, amateur radio27.
RG-6 75Ω
30
–
30–80 Cable TV, broadband internet17.
RG-174 50Ω
15
–
15–40 Portable devices, GPS antennas27.
RG-213 50Ω
80
–
80–150 High-power RF, military systems28.
LMR-400 50Ω
120
–
120–250 Cellular networks, long-distance links27.
Cost-Effective Selection Guidelines
Short-Range Applications: Opt for RG-58 or RG-174 to balance affordability and flexibility27.
High-Frequency Needs: Invest in LMR-400 or RG-213 to minimize signal loss over long distances28.
Budget Constraints: Standard RG-6 suffices for residential video or internet setups17.
Harsh Environments: Prioritize armored cables (e.g., RG-213) despite higher costs for durability8.
Specialized Models and Premium Pricing
Fire-Resistant Cables: Plenum-rated variants (e.g., RG-174-F) cost 20–30% more than standard versions7.
Low-Smoke Zero-Halogen (LSZH): Eco-friendly jackets add 15–25% to the base price57.
Customized Lengths: Pre-terminated cables (e.g., AMP跳线) are 2–3× pricier than bulk options
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