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Leaky Feeder

System

We communicate underground and surface with equipment specially manufactured for these environments

  • Avoid noise
  • Redundandant

Leaky Feeder units

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VHE: Head End

It distributes all the information to spread communications signals on the surface and underground.

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VLAD: Amplifier

It keep up signals for clear communications

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VBU1: Single Branch

Splits LF cable on two, protecting signals

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VBU2: Double branch

Splits LF cable on three, protecting signals

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VLT

Line termination

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VSA

Antenna Stope

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PSU

Power supply with battery backup

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LFC: Leaky Feeder Cable

It allows wireless communications where it runs along tunnels

How Works

The system heart is the Head End, it sends voice and data communications to the tunnels using leaky feeder cables, providing for underground and surface wireless communications. To keep communications clear and distinguishable, it is required to include amplifiers every given sections. If extra tunnel needs communications, it is required to branch cables, using Branch units.
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VHE: Head End

It distributes all the information to spread communications signals on the surface and underground.

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VLAD: Amplifier

It keep up signals for clear communications

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VBU1: Single Branch

Splits LF cable on two, protecting signals

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VLAD: Amplifier

It keep up signals for clear communications

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VLAD: Amplifier

It keep up signals for clear communications

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VPC2 Power Coupler

It inserts DC power into the leaky feeder network, one circuit to each end with very low insertion loss, IP67.

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PSU:

Power supply with battery backup

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Remote Unit

It receives the information through the fiber optic network, reconverts into RF signal and distributes it to the radiating cable network.

Master Unit

It converts signals for digital distribution by fiber optic to Remote Units

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VBU2: Double branch

Splits LF cable on three, protecting signals

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VLT: Line termination

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VLAD: Amplifier

It keep up signals for clear communications

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VLT: Line termination

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VLAD: Amplifier

It keep up signals for clear communications

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VSA: Antenna Stope

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System

Products

VHE

Head End

It distributes all the information to spread communications signals on the surface and underground.

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VLAD

Amplifier

It keep up signals for clear communications.

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VBU1

Single Branch

Splits LF cable on two, protecting signals

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VBU2

Double branch

Splits LF cable on three, protecting signals

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VPC2

Power Coupler

It inserts DC power into the leaky feeder network, one circuit to each end with very low insertion loss, IP67

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VLT

Line termination

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VSA

Antenna Stope

Contact us

PSU

Power supply with battery backup

Contact us

LFC

Leaky Feeder Cable

It allows wireless communications where it runs along tunnels.

Contact us

Download

Leaky Feeder System Catalogue

Discover the benefits of our Leaky Feeder System