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SRFS Teleinfra

HLF 300 Coaxial Cable

HLF 300 Coaxial Cable

Drop-in replacement for


Times Microwave LMR 300

Features


• High-performance coaxial cable with durable Polyethylene jacket
• Jumper Assemblies in Wireless Communications Systems.
• Short Antenna Feeder runs.
• Any application (e.g. WLL, GPS, LMR, WLAN, WISP, WiMax, SCADA,
Mobile Antennas) requiring an easily routed, low loss RF cable.

Construction

Conductor Material Solid Bare Copper
Stranding 1 / 1.78 mm
Dielectric Foamed Polyethylene (FPE)
Diameter of Dielectric 4.83mm
Screen Material (1) Bonded Aluminum Tape (100%)
Screen Material (2) Tinned Copper wire Braid (87%)
Outer Sheath Material Polyethylene – UV Resistant
Outer Sheath Color Black


 Mechanical Specifications


Impedance 50Ω
Cutoff Frequency DC– 8 GHz
Velocity of Propagation 83%
Dielectric Constant 1.56
Shielding Effectiveness >90 dB
Withstand Voltage 2.5kV
Jacket Spark 5.0kV (rms)
Capacitance 24.5 pF/ft (78.4 pF/m)
Inductance 0.061 μH/m
Conductor Resistance ≤ 7 Ω/Km
Outer Conductor Resistance ≤ 7.7 Ω/Km
Return loss ≥ 15 dB
Peak Power 10.0 kW


Physical Characteristics


Overall Diameter 7.6 mm
Min. Bend Radius 22.2 mm
Temperature Rating -30®C to +85®C
Weight 80 kg /km



Frequency Attenuation
(MHz) 
Attenuation(dB/100 ft) Attenuation(dB/100m)
30 1.2  3.8
50 1.4 4.7
150 2.3  7.6
220 2.8 9.2
450 4.1  13.5
900 6.0  19.6
1500 7.8  25.7
1800 8.6  28.3
2000 9.1  30.0
2500 10.3  54.3

 

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