HLF/LMR 400 Coaxial Cable
HLF/LMR 400 Coaxial Cable is a high-performance low-loss RF cable designed for reliable signal transmission in wireless communication and telecommunications applications. Its robust construction provides excellent shielding, reduced signal attenuation, and stable electrical performance across demanding environments. The cable supports efficient RF power transmission while maintaining signal integrity over longer cable runs. HLF/LMR 400 Coaxial Cable is suitable for antenna systems, base stations, wireless networks, telecom infrastructure, broadcast equipment, RF testing, and outdoor installations. Its durable design and dependable performance make it an effective solution for professional RF and communication systems.
Construction
| Conductor Material | Solid Copper Clad Aluminum |
| Stranding | 1 / 2.74 mm |
| Dielectric | Foamed Polyethylene (FPE) |
| Diameter of Dielectric | 7.24 mm |
| Operation Frequency | DC – 8 GHz |
| Inner Shield | Sealed APA Tape |
| Outer Shield | Tinned Copper Braid |
| Outer Sheath Color | Black |
Electrical Characteristics
| Impedance | 50Ω |
| Cutoff Frequency | 16.2 GHz |
| Velocity of Propagation | 85% |
| Length | 300 meter |
| Dielectric Constant | 1.38 |
| Shielding Effectiveness | >90 dB |
| Withstand Voltage | 2.5 kV |
| Jacket Spark | 8.0 kV (rms) |
| Capacitance | 23.9 pF/ft (78.4 pF/m) |
| Inductance | 0.21 µH/m |
| Conductor Resistance | ≤ 4.6 Ω/Km |
| Outer Conductor Resistance | ≤ 5.4 Ω/Km |
| Return Loss (30 – 2800 MHz) | ≥ 15 dB |
| Peak Power | 16.0 kW |
Physical Characteristics
| Overall Diameter | 10.3 mm |
| Min. Bend Radius | 24.5 mm |
| Temperature Rating | -30°C to +85°C |
| Frequency (MHz) | Attenuation (dB/100 ft) | Attenuation (dB/100 m) |
|---|---|---|
| 30 | 0.8 | 2.5 |
| 50 | 1.0 | 3.2 |
| 150 | 1.5 | 4.9 |
| 220 | 1.9 | 6.2 |
| 450 | 2.7 | 8.8 |
| 900 | 3.9 | 12.8 |
| 1500 | 5.1 | 16.7 |
| 1800 | 5.6 | 18.3 |
| 2000 | 5.9 | 19.3 |
| 2500 | 6.7 | 21.9 |