Becker UHF Leaky Feeder Radio System | ...

Becker - UHF Leaky Feeder Radio System | Smart Com

Supplier: Becker Mining Systems

UHF Leaky Feeder Radio System | Smart Com

The Leaky feeder communications systems allow miners to communicate throughout a mine over standard commercial two-way radios significantly increasing productivity and safety.

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Becker Electronics Engineer, Manufacture the Smart com UHF leaky feeder system for underground mines globally.

The leaky feeder system allows the monitoring and control of electrical equipment such as fans and pumps and can provide 100% coverage of underground mines when used in conjunction with mobile and portable two way radios.

Installed around the world with many Australia installations the Becker UHF Leaky Feeder system is a reliable and robust communications platform for all installation types

System Operation

The system is designed to provide seamless two-way communications throughout an underground mine or tunnel. This is achieved through the use of Leaky Feeder antenna cables. The radio signals from the Head End, which is typically located on the surface, are transmitted throughout the underground travel-ways over the leaky feeder cabling system. The signal is also easily retransmitted on surface and can cover the surrounding areas for several kilometres.

Leaky Feeder Cable

Coaxial cable is designed to keep as much signal as possible within the cable, and to block any external signals. Leaky Feeder cable is designed to ‘leak’ or radiate the radio signal out, as well as allow signals in from remote radio transceivers within 50 - 200 meters from the Leaky Feeder cable. To sustain the signal levels over long distances, Line Amplifiers (or boosters) are inserted along the Leaky feeder cable run, nominally every 350m.

UHF Benefits

Better propagation from cable ± 100 meters near amplifier (Up to 3 times better than VHF)
High capacity general purpose data
Uses off the shelf voice and data equipment
Wide bandwidth to offer more Data and Voice capability at higher speeds (2 Mbps port speed)
Facilitates wireless communication in hazardous areas (Coal mining working faces)
One backbone cable for multiple purposes (Capable of simultaneous data and voice)
Lower Galactic / Man Made Noise Floo

System Operation

Leaky Feeder Cable

UHF Benefits

Better propagation from cable ± 100 meters near amplifier (Up to 3 times better than VHF)
High capacity general purpose data
Uses off the shelf voice and data equipment
Wide bandwidth to offer more Data and Voice capability at higher speeds (2 Mbps port speed)
Facilitates wireless communication in hazardous areas (Coal mining working faces)
One backbone cable for multiple purposes (Capable of simultaneous data and voice)
Lower Galactic / Man Made Noise Floo

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