How does the Cave radio communication system work?

Cave radio communication systems are wireless communication tools that utilize radio waves to help facilitate communication between people inside a cave and the outside world. 

These systems are used by miners throughout the world. Caves present certain challenges for exploration and communication and the latest digital radio communication tools will maintain voice and data transfer using Bluetooth and wifi systems through an antenna network. 

Cave radio communication systems work on a wireless wave point technology.  Wave point technology is the use of transmitters and receivers to locate a user inside a cave by using acoustic waves. At each transmitter, there is a cone of signal called an exclusion zone and this area acts as a dead spot to other signals in the immediate area. When we have three or more wave points, we can locate any position in that space. 

Since radio waves are not able to penetrate the rock, cave radio communication systems cannot provide complete coverage of a cave. There are areas that use point technology that can locate users but there is no signal strength. This method does not tell us where the user is located inside an exclusion zone. These devices use wireless Bluetooth and wifi networks giving us a 2D map of a cave.

Our communications devices are compact and extremely resilient. The device is no thicker than a pack of playing cards and offers the option of wireless microphone connection and more. The devices come with an LCD screen as well as the tools to integrate them into a wireless network for complete communications. Designed for easy use with headphones and a belt clip, these are systems built for mining sites worldwide. 

Contact us today to find out more about the KENWOOD NX-203/303 or our digital networks for caves and mining.

This post was written by Justin Tidd, Director at Becker Mining Communications! For over 15 years, Becker Communications has been the industry’s leader in Cave radio Communications and electrical mining communication systems. As they expanded into surface mining, railroads, and tunneling they added wireless communication systems, handheld radios, tagging and tracking systems, as well as gas monitoring.

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By Cary Grant

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