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Auteldac
101 Intrinsically Safe Mine Telephone: a push button
telephone, purpose-designed for underground coal mining installation and
use, provides automatic dialing via a surface interface into a standard PAX or
PABX surface exchange. |
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Mine
Dial Telephone: provides the convenience of a telephone station plus
paging capabilities, in gaseous or dusty locations
where standard telephone equipment is considered
too hazardous; the system is rated as “permissible”
for use in coal mines by MSHA. |
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Rig Phone / Mine Phone / Mill Phone:
a
self-contained battery - powered communication unit that provides loudspeaker
paging & handset party line conversation over a twisted telephone line. |

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R.F.M
Underground Radio System: designed to enable VHF radio frequencies to be transmitted
and received in underground roadways and
tunnels up to 25 km in length. |

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Transcom:
an intrinsically safe two-way VHF radio system designed to provide speech and
calling facilities between mobile or fixed underground locations and a
radiating cable Mine Radio System, having extension
capability to other underground or surface systems. |

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Ground
Sentinel Systems: Designed to monitor the integrity of the ground circuit of power distribution circuits in coal mines. |

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Pull
Key: provides stopping and signaling facilities on stage loaders,
afcs, haulages and roadway conveyors with a
variety of GAI-Tronics
& other approved manufacturers’ control circuits. |

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