NLT Digital Solutions IS YOUR


NLT Digital Solutions is a turn-key partner in the design, deployment, and support of scalable ruggedized networks that revolutionize underground communication, tracking, collaboration, and operations.

NLT Digital Solutions was the first company in the world to introduce an underground Wi-Fi communication network in coal mines. Many of the largest and most reputable mining companies in the world rely on NLT Digital’s Digital Solutions for their network and communication needs.


Voice communication is critical for improving safety while maximising productivity. Real time underground communication with an individual or group is critical to increase operational efficiency in undergound mines and tunnels. The very nature of working underground presents a number of challenges. Traditional Radio signals do not transmit well through hard surfaces. Installing an N-Connex network enables the use of wireless digital IP-based radios which work over WiFi. Voice performance over WiFi has proven to be far superior to traditional and dated technologies.
Our range of handheld IP voice communication products can be used wherever a WiFi signal is present. A network-based solution eliminates the need for a separate radio-based solution for voice communications, improving your overall return on investment.

The NLT Digital network provides a high speed fiber backbone to handle the most demanding data requirements. The data network provided by NLT is scalable and has been designed to grow with you. Any device that is compatible with PoE standards can be used on the NLT Digital network.

Tracking personnel, vehicles or assets underground can be challenging. Locating personnel quickly can impact safety as well as productivity. NLT’s Tracking solution is the answer.

The NLT Digital network, in combination with our Digital Mine software, enables visualized tracking in near real-time.  The tracking data can then be utilized by management, safety or emergency personnel to increase productivity and safety on the work site.

Monitoring environmental conditions is critical to making informed production and safety decisions for your operation. NLT partners with leading-edge providers of Environmental, Ventilation, Gas, and Geotechnical Monitoring Systems to provide solutions that are innovative, reliable and accurate.
The NLT network provides a reliable and robust data highway that enables simple telemetry and automation of equipment. Monitoring and controlling electrical equipment such as fans or pumps results in considerable cost savings and improved efficiency. Additionally, automating equipment saves time, improves safety, and enhances productivity.

N-Connex supports the use of IP cameras to monitor key locations underground or on surface. The cameras can be connected via Ethernet or Wi-Fi to the N-Connex network, providing video images in real-time. N-Connex provides Power over Ethernet (PoE) so that our IP cameras can be connected directly without requiring external power.

Ventilation On Demand (VOD) enables the mine to modify the ventilation conditions based on real-time environmental parameters and tracking information.

For example, when personnel or a vehicle enter an area and the gas and/or air-flow monitoring detects insufficient fresh air, additional ventilation fans can be automatically turned on or have their flow rate adjusted.

VOD can ensure ventilation is supplied where and when it is needed. Without the need to have fans running unnecessarily, a significant cost savings can be attained based on a reduction in energy consumption.

NLT’s Digital Mine suite of software applications provides controlled access to real time business critical data. The user interface, while being simple and intuitive, provides in-depth information that ensures underground operations are conducted safely and efficiently. Digital Mine presents data on a geographically accurate representation of your work site ensuring that any user can quickly assess the information and make confident, time critical decisions.
Reporting is comprehensive, easily navigated and can be automated to run at any given schedule saving you valuable time and money. NLT can also offer support to create custom reports at your request.
Using an industry standard REST API, Digital Mine can also integrate with third party software allowing you to create new applications for your specific needs or customise existing applications giving them the power of the Digital Mine ecosystem.

NLT Digital Solutions provide a wide range of professional expertise and capabilities that include system design, installation and commissioning, training, project management, and after sales service.

We understand that our success is dependent on our performance. Keeping our solutions fully operational, 24/7 to provide our customers with peace of mind and confidence in their investment is our number one priority.

When paired with the Alarm and Evacuation N-Connex Modules, Digital Mine hosts a complete Emergency Management application. Alarm and Evacuation Modules are displayed on a map of the site, providing real time alerting of emergency situations.

The Alarm (single strobe/siren) and Evacuation (dual strobe/sirens) Modules have 110dB sirens, activation buttons and momentary mute buttons to enable a range of capabilities to suit the specific needs of your organisation.

Northern Light Technologies is a proud producer of advanced safety and productivity technologies for underground mining, tunneling, and heavy industry. Since 1984, our high-quality cap lamps have been engineered to provide workers with the best lighting and safety in the harshest environments.

We offer products for unique mining needs, from MSHA and IECEx approved all-in-ones to proximity warning and wifi-tracking cap lamps.

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N-Connex Spotlight

Latest Projects



Scope of Supply The Grasstree Mine project involved the commission and installation of a two-way messaging and tracking system that accurately followed the location of …

NLT supplied


Scope of Supply NLT supplied the hardware and software required to implement a Digital Network solution with two-way messaging, tracking and VoIP communications in Bulga. …



Scope of Supply The Ensham Mine project involved the commissioning, design, installation, and testing of a Northern Light Technologies’ (NLT) Digital System. NLT implemented a …



Scope of Supply Northern Light Technologies (NLT) supplied the Codelco Andina project with a personnel mine tracking system that uses RFID technology. In Chile, where …


Safety and Emergency Systems for FORRESTFIELD AIRPORT LINK

Data Sheet Project Overview NLT and Austunnel provided a network-based system for alarms and emergency communications for the Forrestfield Airport Link Tunnel in Perth, Australia. …


John Holland, Amaroo Sewer Tunnel

Data Sheet Project Overview Pipe Jacking operations are typically difficult situations for reliable voice communications. This problem has become a thing of the past for …

What our clients say
Right off the bat, there was a 100% difference. We’ve got good communications throughout the whole mine. We can really keep track of people and keep things rolling better.
Allen Hoover
Mine Foreman, Martin Marietta's Burning Springs Mine
First time I’ve seen a system and software (solution) delivered so well prepped, planned and virtually finished which made the install a dream.
Peter Bartokos
Senior Electrical Engineer, PORR Bau GmbH, Brenner Base Tunnel, Austria
Very neat job with the results showing attention to detail and professionalism.
Chad Parken
Superintendent, Mine Projects, Oz Minerals Carrapateena Mine, South Australia
The team at NLT grasstree mine offer a service second to none and get the job done with the results showing attention to detail along with any job being big or small ever being a hassle to them along with servicing our fleet of 600 NLT lamps.
Richard Turnbull
Lamp Room Attendant, Grasstree Mine
Really impressed with the backup from our service tech’s, great team to work with.
Matthew Cotter
Underground Projects Electrician, Ensham Resources