Semi-Finished Coaxial Cable RG174（50 Ω）
1. PHYSICAL CONSTRUCTION
| Standard Shielding | Three Shielding | Four Shielding | |
|---|---|---|---|
| Conductor | Solid or stranded copper / CCA | Solid or stranded copper / CCA | Solid or stranded copper / CCA |
| Insulation | Foamed PE / FEP | Foamed PE / FEP | Foamed PE / FEP |
| Shielding | One layer: aluminum foil + 96-wire braid | Aluminum foil + braid + aluminum-polyester (AL+PET) tape | AL foil + braid + AL+PET tape + second braid layer |
2. Electrical Characteristics
| Parameter | Typical Value | Description |
|---|---|---|
| Impedance | 50 Ω | Standard RF impedance |
| Capacitance | Approx. 100 pF/m | Capacitance per meter |
| Velocity Factor | ~66% (solid PE) / ~78% (Foam PE) | Signal speed as a percentage of light speed |
| Attenuation | Approx. 14 dB/100m @ 100 MHz | Typical signal loss |
| Voltage Rating | 300 V | Maximum operating voltage |
| Frequency Range | DC – 1 GHz | Supports broadband RF transmission |
3. Application Scenarios
GPS antennas and receivers – Internal wiring in compact GPS modules.
RF modules – Widely used in Wi-Fi, GSM, Bluetooth, and other RF devices.
IoT and automotive electronics – Ideal for signal transmission in space-constrained environments.
Test and lab cables – Used in laboratory test setups for RF and high-frequency measurements.
Compact signal routing – Suitable for small devices requiring flexible, low-loss RF lines.
4. Packaging Information
| Item | Details |
|---|---|
| Structure | Core only: conductor + insulation (no shield, no jacket) |
| Conductor | Solid bare copper |
| Insulation | Foamed PE or FEP |
| Insulation Diameter | Approx. 1.52 mm |
| Reel Length | 500m or 1000m (custom lengths available) |
| Reel Type | Plastic or ABS reels |
| Net Weight | Approx. 8–12 kg per 1000 meters (depends on material choice) |
| Outer Packaging | Wrapped with plastic film; optional carton box or pallet for bulk |
