Micro Coaxial Cable-Micro Coaxial Cable factory-(FRS)-FRS
Coaxial cables are widely used in signal transmission fields such as communications, medical equipment, and aerospace. However, many users are confused about “Coaxial Cable Assemblies” and “bare coaxial cables” — two forms of coaxial technology with distinct positioning and application scenarios. Understanding their core differences is crucial for matching project needs, controlling costs, and ensuring signal transmission performance. Below is a detailed comparison from multiple dimensions:
The fundamental difference between the two lies in whether they are “pre-assembled and integrated” or “single cable components”.
A bare coaxial cable refers to the basic cable body without additional connection or protection components. Its structure follows the classic coaxial design, consisting of four core layers (from inside to outside):
Bare coaxial cables are essentially “semi-finished products” — they only provide the basic signal transmission path and require additional processing (e.g., cutting, connector installation) before use.
A Coaxial Cable Assembly (also called a “coaxial cable assembly” or “pre-terminated coaxial cable”) is a ready-to-use integrated system manufactured in a factory. It is based on a bare coaxial cable and adds two key components:
The core advantage of assemblies is that they are “pre-assembled and tested” — factories use professional equipment to crimp, solder, or bond connectors to the bare cable, and conduct strict performance tests (e.g., impedance matching, signal attenuation, VSWR) before leaving the factory.
To make the distinction more intuitive, the following table compares the two in six practical dimensions:
| Comparison Dimension | Bare Coaxial Cables | Coaxial Cable Assemblies |
| Installation Complexity | High: Requires on-site cutting, stripping, and connector installation (needs professional tools and technical personnel to avoid damaging the cable or causing poor contact). | Low: Plug-and-play — no on-site processing required; just connect the connectors to the equipment interfaces. |
| Performance Consistency | Unstable: Performance (e.g., impedance, signal loss) depends on on-site installation quality (e.g., connector crimping tightness, dielectric layer damage). | Stable: Factory testing ensures consistent impedance (e.g., 50Ω/75Ω), low signal attenuation, and reliable shielding (EMI rejection rate ≥ 90dB in most cases). |
| Cost Structure | Lower upfront cost (only for the cable body), but additional costs for connectors, tools, and labor (installation errors may lead to rework costs). | Higher upfront cost (includes cable, connectors, and factory assembly/testing), but no additional on-site costs — avoids rework losses caused by manual operations. |
| Flexibility & Customization | High flexibility: Can be cut to any length according to on-site needs; suitable for scenarios where the cable length is uncertain. | Low flexibility: Length, connector type, and shielding level must be confirmed in advance; suitable for standardized equipment or fixed-length application scenarios. |
| Application Scenarios | 1. Large-scale infrastructure (e.g., internal wiring of communication base stations, where cables need to be tailored to building structures); 2. Prototyping or small-batch projects (low demand for consistency); 3. Harsh environments requiring on-site adjustment (e.g., mining site wiring). | 1. Precision equipment (e.g., medical imaging devices, test instruments, where signal stability is critical); 2. Aerospace/automotive fields (high requirements for reliability and anti-vibration); 3. Mass-produced electronic products (need for standardized assembly to improve efficiency). |
| Maintenance & Replacement | Difficult maintenance: If a fault occurs (e.g., poor connector contact), it needs to be reprocessed on-site; replacement requires re-installing connectors. | Easy maintenance: Faulty assemblies can be directly replaced with new ones; no on-site processing — shortens downtime (critical for industrial production lines). |
The choice depends on three core factors: project requirements, cost budget, and technical capabilities:
Whether you need flexible bare coaxial cables for on-site customization or high-performance Coaxial Cable Assemblies for precision equipment, FRS — a professional coaxial cable and assembly factory — has you covered.
FRS adheres to strict quality standards: Our bare coaxial cables use high-purity copper conductors and low-loss dielectric materials (PTFE for high-temperature scenarios) to ensure excellent signal transmission; our Coaxial Cable Assemblies are assembled by automated equipment and undergo 100% performance testing (including impedance, VSWR, and EMI shielding) to meet the requirements of medical, aerospace, and industrial communication fields.
Moreover, FRS provides customized services: We can tailor bare cables of different lengths (from 0.5m to 1000m) and Coaxial Cable Assemblies with specific connectors (SMA, BNC, N-type, etc.) according to your project needs. With FRS, you get not only high-quality products but also one-stop support — from technical consultation to after-sales maintenance — ensuring your signal transmission system runs stably and efficiently.
Our factory offers high-quality products at competitive prices
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