Product introduction
| Product Introduction |
| MCX bend male rotation SMP straight female test line |
| Cable: RG405/U semi-rigid coaxial cable |
| Interface Type: SMA |
| Cable length: 5cm~200cm (length can be customized) |
| RG405/U Semi-Rigid Coaxial Cable Parameter Description | ||
| 1. Core parameters | ||
| parameter | Typical values | standard |
| characteristic impedance | 50Ω | Compliant with IEEE standard RF output impedance |
| Outside diameter | 6.2mm (0.244") | With a tolerance of ± 0.08mm, the copper tube housing provides mechanical strength |
| Central conductor | Silver-clad copper-clad steel (SCS) | The diameter is 1.47mm, the silver layer enhances high-frequency conductivity, and the tensile strength of the steel core > 200N |
| Insulation | Solid Teflon (PTFE) | Low dielectric loss, temperature resistance -65°C~+200°C |
| Outer conductor | Seamless copper pipe | 100% shielding performance with > 120 dB immunity to electromagnetic interference (EMI). |
| jacket | No (bare copper tube) or optional polyimide coating | Bare tube can be directly grounded, and the coating is anti-oxidation (optional) |
| Frequency range | DC ~ 18 GHz | Still low VSWR at 18GHz |
| attenuation | Typical values: • 1 GHz: 0.23 dB/m • 10 GHz: 0.82 dB/m • 18 GHz: 2.87 dB/m | The measured value fluctuates by 10% due to the joint process± |
| Voltage VSWR | ≤ 1.25:1 (0~18 GHz) | Requires precision connectors (e.g. SMA 3.5mm) |
| Maximum operating voltage | 1,500 Vrms (Sea Level) | decreases with altitude |
| Minimum bend radius | 50 mm (static) | Excessive bending leads to permanent deformation of copper pipes and deterioration of high-frequency performance |
| Operating temperature range | -65°C ~ +85°C (bare copper tubes) | Short-term tolerance to +200°C (insulation limit) |
| Speed of transmission | 82% speed of light | Determined by the dielectric constant of PTFE |
| 2. Contrast flexible cables | ||
| characteristic | RG405 semi-rigid | Flexible coaxial line LMR-400 |
| Shielding efficiency | >120dB | 90~100dB |
| 18GHz loss | 2.87dB/m | >6.0dB/m |
| Bendability | It needs to be pre-formed and cannot be dynamic | Can be bent repeatedly |
| Phase stability | ±0.1°@10GHz | ±2°@10GHz |
| 3. Typical applicable scenarios |
| Military radar: fire control system, phased array antenna feed network |
| Polar satellite communication: spaceborne high-frequency transceiver interconnection |
| Test Instrument: Vector Network Analyzer (VNA) calibration line |
| Medical devices: linear accelerator (radiotherapy) microwave transmission |
Selection guide
| 1. Specifications and characteristics of commonly adapted cables | |||||
| Model | Outside diameter | Central conductor | 3GHz loss | peculiarity | Applicable scenarios |
| RG-174 | 2.8mm | 7*0.16mm | 0.82dB/m | Flexible, easy to install, and low cost | Consumer electronics |
| RG-316 | 2.6mm | 7*0.1mm | 0.84dB/m | High temperature resistance, military industry standards | High temperature environment, test instruments |
| Micro foamed PE wire | 1.5~2.2mm | 0.3~0.5mm | 0.50dB/m | High frequency loss is low | 5G/Wi-Fi |
| Semi-steel wire | 1.0~3.0mm | Solid copper | 0.30dB/m | Relatively stable and good shielding | Test calibration, mmWave front |
| 2. Comparison of key parameters and selection logic | ||||
| 2.1 Electrical performance priority | ||||
| parameter | RG-174 | RG-316 | Foamed PE wire | effect |
| Attenuation @6GHz | 1.8dBm/m | 1.7dBm/m | 0.9dBm/m | High-frequency signal integrity |
| Shielding efficiency | 70dB | 90dB | >90dB | Anti-interference ability |
| Impedance stability | ±3Ω | ±2Ω | ±1Ω | Reflected signal suppression |
| 2.2 Mechanical and environmental adaptability | |||
| parameter | RG-174 | RG-316 | Foamed PE wire |
| Minimum bend radius | 15mm | 25mm | 30mm |
| Temperature range | -40℃~+85℃ | -65℃~+200℃ | -50℃~+85℃ |
| tensile strength | medium | Tall | Low (easily damaged) |
| 3. Typical application scenarios are matched with cables |
| 3.1 Consumer Electronics (Bluetooth/Wi-Fi) |
| Cable: RG-174 |
Reason: Cost sensitive, frequency ≤ 5GHz, short length (<0.3m) and controllable loss. |
| 3.2 Test Instrument Jumper (Vector Network Analyzer) |
Cable: RG-316 or low-loss foam cable (e.g. Times LMR-200) |
| Reason: It needs to be resistant to mating and unplugging, low loss (high calibration accuracy requirements). |
| 3.3 Vehicle radar/5G small cell station |
Cable: PTFE insulated foam wire (e.g. Gore G-FLEX 150) |
Reason: 6~24GHz low loss requirements, outer diameter ≤2mm for easy wiring. |
| 3.4 Military equipment |
| Cable: RG-316 (Mi-Label MIL-DTL-17) |
| Reason: Resistant to extreme temperatures, vibrations, and high shielding requirements. |
| 4. Supplementary instructions |
4.1 Outer diameter mismatch: MCX connectors usually support 1.0~3.0mm wire diameter, and customization is required beyond the range (such as micro wires require a dedicated MCX head). |
4.2 High frequency loss: RG-174 has 2 times higher loss than foamed PE wire at 6GHz, and is avoided for long-distance transmission. |
4.3 Phase stability: For phase-sensitive applications (phased arrays), prefer semi-rigid wires or phase-stabilized cables (e.g., Huber+Suhner S100). |
4.4 Connector Grade: Gold-plated contacts MCX (non-nickel plated) are selected to ensure a > of 500 mating and unmating life. |
Factory Tour
Adhering to the business principle of mutual benefits, we have had a reliable reputation among our customers because of our professional services, quality products and competitive prices.
Knowledge
What international certifications has your company obtained?
We hold the following certifications to ensure global compliance:
✅ Core Certifications:
ISO 9001: Quality Management System
ISO 14001: Environmental Management System
IATF 16949 (formerly TS 16949): Automotive Quality Management
How do you ensure product quality?
We implement ISO 9001-certified processes, 100% electrical testing, and strict IPQC inspections.
Do you provide technical support?
Yes. Our engineers offer installation guides, CAD drawings, and 24/7 email support.
What if products are damaged during shipping?
Notify us within 3 days of delivery with evidence. We’ll resend replacements or refund as per your choice.
What is your warranty policy?
We offer a 12-month warranty against manufacturing defects. Contact us with proof (photos/videos) for replacements/refunds.
How to test product quality before bulk orders?
We provide sample testing reports (VSWR, impedance, durability) and support third-party inspections (SGS, TÜV).
MCX bend SMP straight head female test line
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