SRFS Teleinfra

HLF/LMR 400 Coaxial Cable Tinned Copper

HLF/LMR 400 Coaxial Cable Tinned Copper

HLF/LMR 400 Coaxial Cable Tinned Copper is a high-performance RF cable designed for reliable signal transmission in demanding communication applications. Its tinned copper construction provides excellent conductivity, corrosion resistance, and durability for long-term use. The cable offers low signal attenuation, effective shielding, and stable electrical performance across wireless and telecommunications systems. It is suitable for antenna feeders, base stations, RF equipment, telecom infrastructure, broadcast systems, outdoor installations, and professional cable assemblies. With robust construction and dependable signal integrity, HLF/LMR 400 Tinned Copper provides a practical solution for demanding RF communication and networking applications.

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%
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
Weight 10 kg/km
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