Kutta Radios

Kutta Radios provides next-generation medium frequency radios to mine operators as a reliable, cost-effective solution to communication and tracking needs. Kutta DRUM® radios use cables, wires, tracks, and pipes to create survivable, redundant communication paths underground that extend for miles. The DRUM® is a wireless medium frequency radio system that works whether mine power is on or off, post-incident, and even through obstructions.

Kutta DRUM® radios use parasitic propagation of a medium frequency signals to send voice and data communications in an underground environment. These signals magnetically couple to metallic items commonly found in the infrastructure of a mine, and allow for voice and data transfers several miles in distance. When proper conductors are present, signals can travel over 5 miles in distance non-line of sight. These point-to-point communications can be carried by conductors such as: leaky feeder cables (powered or un-powered), phone lines, power lines, lifelines, metal pipes and tracks. Conductors that are even buried beneath the earth can continue to transmit medium frequency signals in many scenarios, making the DRUM®Communication System the ideal redundant safety communication system for mine operators.

USE CASE EXAMPLES

The following presentation highlights several possible use case examples of the DRUM® Communication System, including;

Redundant UHF / VHF Communications
Survivable Leaky Feeder
Leaky Feeder Extension
Bleeders & Hard to Reach Areas
Mine Rescue
Rescue Chamber Communications

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Product Range

DRUM® Compact Portable (CP) Radio

The DRUM^® CP Medium Frequency Radio is a battery powered, digitally controlled, analog frequency modulation, single-channel voice communication radio. It uses a two-element omnidirectional magnetic induction antenna operating in the medium frequency (MF) band to propagate its signal parasitically across metal infrastructure in an underground / tunnel environment.

Under normal operating conditions, signals can be relied on to propagate many miles between the sending radio and any receiving radios with little attenuation. In post-incident emergency circumstances, when conductive infrastructure has been altered or damaged, the units can be moved to propagate their signals on surviving conductive infrastructure, forming a survivable redundant communication path.

The DRUM^® CP is compatible with the DRUM^® Repeater Units, in that it can send and receive voice transmissions interchangeably with the DRUM^® Repeater’s MF interface. The product is lightweight, rugged, and man-portable.

DRUM® CP – Features

Lowest Cost-Per-Foot of Any Communication System on the Market – By Far
Fulfills the MINER Act Requirement for a Redundant Communication System
Seamlessly Interoperates with Existing UHF / VHF Leaky Feeders and Handsets
Supports Point-to-Point Voice Range of Over 5 Miles Underground
Communication in hard to reach spots, temporary working areas, and bleeders

DRUM® 100R – Medium Frequency Repeater

The DRUM^® 100R Analog Repeater is a dual-band radio, where one of the front ends operates at medium frequency and the other front end operates at either VHF or UHF. The analog repeater continually listens to both frequencies. When one of the front ends detects an incoming signal, the analog repeater shifts the signal and retransmits it on the other front end. Tone squelch is used to indicate the presence of a valid signal.

Under normal operating conditions, signals can be relied on to propagate many miles between the sending radio and any receiving radios with little attenuation. In post-incident emergency circumstances, when conductive infrastructure has been altered or damaged, the units can be moved to propagate their signals on surviving conductive infrastructure, forming a survivable redundant communication path.

DRUM® 100R – Features

Installs in Hours – Complete Install in Less than One Day
Extends the Range of Leaky Feeder with No Extra Wires or Cables
Voice Data from VHF or UHF Handhelds will be Transmitted onto the Leaky Feeder
Trolley Phone Replacement

Wireless Alert Remote Notification

The mining environment underground is extremely volatile and miners are exposed to many dangers such as Rock falls, toxic gases, explosions and fires. Communication underground is unfortunately unreliable and due to this communication only really exists in the developed areas of the mine. The miners that are blasting and digging in the undeveloped areas are fully dependent on communication from the shift manager or the likes regarding any danger warnings from surface.

The WARN is a device that will be assigned to each individual miner and will alert them immediately of any danger known to surface. The WARN receives an emergency medium frequency signal sent from a transmitter on surface which is sent by magnetic induction. This means that the signal is sent through the existing metallic infrastructure underground and is not dependent on any communication cabling. The WARN device can give audible, visual and vibration warnings insuring the miner has every chance of early notification of imminent danger and has the chance to make it to a refuge bay as quick as possible.

The WARN device empowers each miner and removes the dependency of others warning them of danger and allows for the earliest possible warning leading to the quickest possible reaction ultimately saving lives!

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About AASYS

AASYS was founded in 2009 as a company dedicated to detecting and suppressing fires across a number of industries. Driven by our appetite for innovation, and our patented DXS Fiber Optic Sensing approach – monitoring temperature, strain and acoustics – we have evolved dramatically, becoming industry leaders in the advanced field of condition monitoring.

Advanced Automated Systems is part of the Sekta Group.

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Unit 11A Growth Point Business Park, 2 Tonetti Street, Halfway House, Ext 7, Johannesburg, South Africa

+27 11 781 2293
+27 11 781 2294

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AASYS offers a wide range of risk-management solutions. These include world-leading fire prevention, detection and suppression, and fibre-optic condition monitoring and security systems. Our world-leading sensor technology, hardware and visualisation software is geared towards one key objective – ensuring the safety and performance of our clients’ operations.

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