Specifications
Product Classification
| Product Type | Coaxial wireless cable |
| Product Brand | HELIAX® |
| Product Series | LDF4-50A |
| Ordering Note | CommScope® standard product (Global) |
General Specifications
| Flexibility | Standard |
| Jacket Color | Black |
Dimensions
| Diameter Over Dielectric | 12.954 mm | 0.51 in |
| Diameter Over Jacket | 15.875 mm | 0.625 in |
| Inner Conductor OD | 4.826 mm | 0.19 in |
| Outer Conductor OD | 13.97 mm | 0.55 in |
| Nominal Size | 1/2 in |
Electrical Specifications
| Cable Impedance | 50 ohm ±1 ohm |
| Capacitance | 75.8 pF/m | 23.104 pF/ft |
| dc Resistance, Inner Conductor | 1.48 ohms/km | 0.451 ohms/kft |
| dc Resistance, Outer Conductor | 2.69 ohms/km | 0.82 ohms/kft |
| dc Test Voltage | 4000 V |
| Inductance | 0.19 µH/m | 0.058 µH/ft |
| Insulation Resistance | 100000 MOhms-km |
| Jacket Spark Test Voltage (rms) | 8000 V |
| Operating Frequency Band | 1 – 8800 MHz |
| Peak Power | 40 kW |
| Velocity | 88 % |
Attenuation
| Frequency | Attenuation (dB/100 m) | Attenuation (dB/100 ft) | Average Power (kW) |
| 1.0 MHz | 0.211 | 0.064 | 36.11 |
| 1.5 MHz | 0.259 | 0.079 | 29.46 |
| 2.0 MHz | 0.299 | 0.091 | 25.50 |
| 10.0 MHz | 0.672 | 0.205 | 11.35 |
| 20.0 MHz | 0.954 | 0.291 | 7.99 |
| 30.0 MHz | 1.172 | 0.357 | 6.51 |
| 50.0 MHz | 1.521 | 0.463 | 5.02 |
| 85.0 MHz | 1.995 | 0.608 | 3.82 |
| 88.0 MHz | 2.031 | 0.619 | 3.76 |
| 100.0 MHz | 2.169 | 0.661 | 3.52 |
| 108.0 MHz | 2.256 | 0.688 | 3.38 |
| 150.0 MHz | 2.673 | 0.815 | 2.85 |
| 174.0 MHz | 2.887 | 0.880 | 2.64 |
| 200.0 MHz | 3.103 | 0.946 | 2.46 |
| 204.0 MHz | 3.135 | 0.956 | 2.43 |
| 300.0 MHz | 3.835 | 1.169 | 1.99 |
| 400.0 MHz | 4.462 | 1.360 | 1.71 |
| 450.0 MHz | 4.749 | 1.447 | 1.61 |
| 460.0 MHz | 4.804 | 1.464 | 1.59 |
| 500.0 MHz | 5.021 | 1.530 | 1.52 |
| 512.0 MHz | 5.085 | 1.550 | 1.50 |
| 600.0 MHz | 5.533 | 1.686 | 1.38 |
| 700.0 MHz | 6.009 | 1.831 | 1.27 |
| 800.0 MHz | 6.456 | 1.968 | 1.18 |
| 824.0 MHz | 6.560 | 1.999 | 1.16 |
| 894.0 MHz | 6.855 | 2.089 | 1.11 |
| 960.0 MHz | 7.124 | 2.171 | 1.07 |
| 1000.0 MHz | 7.284 | 2.220 | 1.05 |
| 1218.0 MHz | 8.110 | 2.472 | 0.94 |
| 1250.0 MHz | 8.226 | 2.507 | 0.93 |
| 1500.0 MHz | 9.093 | 2.771 | 0.84 |
| 1700.0 MHz | 9.744 | 2.970 | 0.78 |
| 1794.0 MHz | 10.039 | 3.060 | 0.76 |
| 1800.0 MHz | 10.058 | 3.066 | 0.76 |
| 2000.0 MHz | 10.666 | 3.251 | 0.72 |
| 2100.0 MHz | 10.961 | 3.341 | 0.70 |
| 2200.0 MHz | 11.251 | 3.429 | 0.68 |
| 2300.0 MHz | 11.535 | 3.516 | 0.66 |
| 2500.0 MHz | 12.090 | 3.685 | 0.63 |
| 2700.0 MHz | 12.627 | 3.849 | 0.60 |
| 3000.0 MHz | 13.407 | 4.086 | 0.57 |
| 3400.0 MHz | 14.401 | 4.389 | 0.53 |
| 3600.0 MHz | 14.882 | 4.536 | 0.51 |
| 3700.0 MHz | 15.118 | 4.608 | 0.50 |
| 3800.0 MHz | 15.353 | 4.679 | 0.50 |
| 3900.0 MHz | 15.585 | 4.750 | 0.49 |
| 4000.0 MHz | 15.815 | 4.820 | 0.48 |
| 4100.0 MHz | 16.042 | 4.889 | 0.48 |
| 4200.0 MHz | 16.268 | 4.958 | 0.47 |
| 4300.0 MHz | 16.492 | 5.027 | 0.46 |
| 4400.0 MHz | 16.714 | 5.094 | 0.46 |
| 4500.0 MHz | 16.934 | 5.161 | 0.45 |
| 4600.0 MHz | 17.153 | 5.228 | 0.44 |
| 4700.0 MHz | 17.370 | 5.294 | 0.44 |
| 4800.0 MHz | 17.585 | 5.360 | 0.43 |
| 4900.0 MHz | 17.798 | 5.425 | 0.43 |
| 5000.0 MHz | 18.010 | 5.489 | 0.42 |
| 6000.0 MHz | 20.055 | 6.113 | 0.38 |
| 8000.0 MHz | 23.826 | 7.262 | 0.32 |
| 8800.0 MHz | 25.244 | 7.694 | 0.30 |
Return Loss/VSWR
| Frequency Band | VSWR | Return Loss (dB) |
| 680–800 MHz | 1.13 | 24.30 |
| 800–960 MHz | 1.13 | 24.30 |
| 1700–2200 MHz | 1.13 | 24.30 |
| 2300–2700 MHz | 1.13 | 24.30 |
| 3400–3800 MHz | 1.26 | 19.00 |
Material Specifications
| Dielectric Material | Foam PE |
| Jacket Material | PE |
| Inner Conductor Material | Copper-clad aluminum wire |
| Outer Conductor Material | Corrugated copper |
Mechanical Specifications
| Minimum Bend Radius, multiple Bends | 127 mm | 5 in |
| Minimum Bend Radius, Single Bend | 50.8 mm | 2 in |
| Number of Bends, minimum | 15 |
| Number of Bends, typical | 50 |
| Tensile Strength | 113 kg | 249.122 lb |
| Bending Moment | 3.8 N-m | 33.633 in lb |
| Flat Plate Crush Strength | 2 kg/mm | 111.995 lb/in |
Environmental Specifications
| Installation temperature | -40 °C to +60 °C (-40 °F to +140 °F) |
| Operating Temperature | -55 °C to +85 °C (-67 °F to +185 °F) |
| Storage Temperature | -70 °C to +85 °C (-94 °F to +185 °F) |
| Attenuation, Ambient Temperature | 20 °C | 68 °F |
| Average Power, Ambient Temperature | 40 °C | 104 °F |
| Average Power, Inner Conductor Temperature | 100 °C | 212 °F |
Packaging and Weights
| Cable weight | 0.22 kg/m | 0.148 lb/ft |
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