The PED System is an ultra low frequency through-the-earth communications system used for paging, control and remote blasting. PED is the only commercially available, and proven, through-the-earth (TTE) mine communication system in use at mines. It has been deployed in over 170 mines since the first installation in 1990.
An overview of the PED System is seen at: PED Communication & Emergency Warning System.
Transmission System
PED ULF Receivers
The PED Transmission System can communicate with a variety of receiver types for personal paging, equipment control or remote blast initiation. The receivers that enable these various functions are:





