Leaky Coaxial Cables
HLRCTSHYZ-50-32 (1-1/4″) Radiating Leaky Cable
50 Ω 1-1/4″ high-radiation leaky coaxial cable engineered for the longest tunnel spans. Delivers 200 kW peak power and low longitudinal attenuation for kilometres-long installations.
Features & Characteristics
- ▪Integrates the function of antenna and feeder cable
- ▪Radiating or coupling mode operation
- ▪Physical foamed polyethylene dielectric
- ▪LSZH / LSOH low-smoke halogen-free flame-retardant jacket
- ▪Complies with IEC 61196-4
- ▪Large-diameter copper tube inner conductor
- ▪High-radiation pattern
Applications
- ▪Railway and metro tunnels
- ▪Highway and road tunnels
- ▪Mines and underground galleries
- ▪Large enclosed buildings and complexes
- ▪Any long, narrow area where conventional antenna coverage is not effective
Mechanical characteristics
- Size
- 1-1/4″
- Inner conductor material / OD
- Copper tube / 13.1 mm
- Outer conductor material / OD
- Overlapping copper foil / 33.6 mm
- Jacket material
- LSOH polyolefin
- Diameter over jacket / colour
- 38.0 mm / black
- Weight
- 800 kg/km
- Tensile force
- > 2300 N
- Min bending radius (single)
- 500 mm
- Recommended clamp spacing
- 1 ~ 1.2 m
- Operation temperature
- -40 °C ~ +85 °C
Electrical characteristics
- Cut-off frequency
- 610–650 MHz
- Polarisation
- Vertical
- VSWR
- < 1.3
- Impedance
- 50 ± 2 Ω
- Encircle DC resistance
- 3 Ω/km
- Insulation dielectric strength
- 15000 V (DC, 1 min)
- Peak power
- 200 kW
- Velocity
- 88 %
Attenuation & coupling loss
| Frequency (MHz) | Attenuation (dB/100 m) | Coupling loss 50 % / 95 % (2 m, dB) |
|---|---|---|
| 350 | 1.70 | 75 / 83 |
| 450 | 2.00 | 73 / 79 |
| 800 | 2.90 | 66 / 68 |
| 900 | 3.10 | 64 / 68 |
Related products in Leaky Coaxial Cables
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50 Ω 1/2″ radiating-mode leaky coaxial cable engineered for tunnel and in-building coverage across the 800–3600 MHz cellular bands. Wide radiation angle (>170°) provides uniform signal along long, narrow spaces.
HLRCTSHYZ-50-22 (7/8″) Radiating Leaky Cable
50 Ω 7/8″ high-radiation radiating-mode leaky cable for medium-to-long tunnels and metro deployments. Copper-tube inner conductor and LSOH polyolefin jacket for fire-safety compliance.
HLRCTSMYZ-50-22 (7/8″) Radiating Leaky Cable
50 Ω 7/8″ medium-radiation leaky coaxial cable balancing radiation efficiency and longitudinal attenuation. Suited for standard tunnel and metro coverage deployments.
HLRWUCTCYZ-50-22 (7/8″) Coupling Leaky Cable
50 Ω 7/8″ coupling-mode leaky coaxial cable providing near-field coupling coverage in short and mid-length tunnels. Coupling mode enables shorter minimum wall-mount distance than radiating cables.
HLRCTCMYZ-50-32 (1-1/4″) Coupling Leaky Cable
50 Ω 1-1/4″ coupling-mode leaky coaxial cable for large-diameter, long-run tunnel deployments. Coupling operation gives predictable field intensity in close-proximity coverage.
HLRCTSLYZ-50-32 (1-1/4″) Low-Radiation Leaky Cable
50 Ω 1-1/4″ low-radiation-loss leaky coaxial cable optimised for long tunnels where minimising longitudinal loss is critical. Delivers low attenuation over kilometres of installed length.
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