PTL 400 Radio Frequency Coaxial Cable is designed for mobile communication networks, wireless transmission systems, telecom equipment interconnection, antenna feeder assemblies and other 50 Ohm RF applications. As one of our flagship products, PTL 400 provides reliable signal transmission, stable attenuation performance and dependable shielding structure for demanding indoor and outdoor installations.
Built with a copper clad aluminum inner conductor, foam PE insulation, bonded dual aluminum foil, tinned copper outer conductor and PE or LSZH jacket, this cable offers a balanced combination of electrical performance, flexibility and installation reliability for telecom and RF system use.
Material and Dimensions
| Item |
Specification |
| Inner Conductor |
Copper Clad Aluminum, Ø 2.74±0.02 mm |
| Insulation |
Foam PE, Ø 7.24±0.15 mm |
| Outer Conductor |
Bonded Dual Al Foil + Tinned Copper, Ø 8.20±0.20 mm |
| Jacket |
PE or LSZH, Ø 10.29±0.18 mm |
Electrical Specifications
| Item |
Value |
| Impedance |
50 ± 2 Ω |
| Relative Velocity of Propagation |
85% |
| Capacitance |
78 pF/m |
| DC Breakdown Voltage |
2500 V |
| Jacket Spark Test Voltage |
4000 Vrms |
| VSWR |
30 MHz–3000 MHz ≤ 1.20 |
Mechanical Specifications
| Item |
Value |
| Tensile Strength |
73 kg |
| Min. Bending Radius |
25.4 mm |
Environmental Specifications
| Jacket Type |
Installation Temperature |
Operating Temperature |
Storage Temperature |
| PE |
-40°C to +60°C |
-55°C to +85°C |
-70°C to +85°C |
| LSZH |
-20°C to +60°C |
-30°C to +80°C |
-30°C to +80°C |
Typical Attenuation (dB/100m)
| Frequency |
Attenuation |
| 30 MHz |
2.49 |
| 50 MHz |
3.18 |
| 150 MHz |
4.92 |
| 220 MHz |
6.23 |
| 450 MHz |
8.86 |
| 900 MHz |
12.80 |
| 1500 MHz |
16.70 |
| 1800 MHz |
18.40 |
| 2000 MHz |
19.40 |
| 2500 MHz |
22.00 |
| 3000 MHz |
24.60 |
| 4000 MHz |
28.87 |
| 5000 MHz |
32.81 |
| 6000 MHz |
36.42 |
Applications
| Mobile communication networks |
| Wireless RF transmission systems |
| Telecom equipment interconnection |
| Antenna feeder assemblies |
| Indoor and outdoor communication installations |
| General 50 Ohm RF coaxial cable applications |
Note: Maximum attenuation value shall be 105% of the typical attenuation value. PE and LSZH jacket options are available for different installation and environmental requirements.
