Mine Communication Systems for Longwalls and Conveyors:
An overview of Austdac's Conveyor and Longwall Communication System, the CLOIS 3000 Longwall Communication System, Mine Dial and Loudspeaking Telephones, and more.

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.

Loudspeaking Telephones: 
A self-contained battery - powered communication unit that provides loudspeaker paging & handset party line conversation over a twisted telephone line.

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

Six Channel Radio: A wireless station providing two-way voice communication in the UHF band. Radio communications are possible even in the most severe environmental conditions.

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