Wi-Fi HaLow for Industrial Asset Tracking and Remote Monitoring

Industrial asset tracking helps organizations understand where their equipment is, how it is being used and whether it requires attention.

However, tracking assets across large factories, construction sites, mines, ports, farms, energy facilities and remote infrastructure is not easy. Assets may move between different operational zones, work far from network access points or operate behind walls, machinery and other physical obstacles.

Traditional Wi-Fi may not provide enough coverage across these environments. Cellular connectivity can provide wider coverage, but recurring data costs and weak indoor signals may create challenges. Low-power networks can support basic sensor messages, but some applications require more capacity for equipment data, diagnostics and software updates.

Wi-Fi HaLow provides another option.

Built on the IEEE 802.11ah standard, Wi-Fi HaLow operates in license-exempt frequency bands below 1 GHz. It is designed to support longer-range and lower-power Wi-Fi communication for connected devices and Industrial IoT applications.

This article explains how Wi-Fi HaLow can support industrial asset tracking and remote monitoring, where it provides the most value and what engineers should consider before deployment.

What Is Industrial Asset Tracking?

Industrial asset tracking is the process of collecting location, status and usage information from physical equipment.

Tracked assets may include:

• Construction machinery
• Mining vehicles
• Industrial tools
• Pumps and compressors
• Mobile generators
• Material-handling equipment
• Storage containers
• Oil and gas equipment
• Utility infrastructure
• Agricultural machinery
• Warehouse inventory
• Mobile production equipment

An industrial asset tracking system normally combines several technologies.

A positioning technology identifies the asset or determines its location. A sensor collects equipment data. A wireless network transfers that information to an industrial gateway, monitoring platform or cloud application.

For example, an outdoor equipment-tracking device may use GNSS or GPS to determine its position. It can then use Wi-Fi HaLow to send the location, operating hours, battery status and maintenance alerts to the network.

Wi-Fi HaLow is a communication technology. It does not calculate an asset’s exact position by itself.

Location information may come from GPS, GNSS, RFID, Bluetooth, UWB, equipment sensors or another positioning system. Wi-Fi HaLow provides the wireless connection used to transfer that information.

Why Industrial Asset Tracking Networks Are Difficult to Build

Industrial environments create connectivity problems that are not common in homes or offices.

Large Operating Areas

Industrial equipment may be spread across several buildings, production areas or outdoor locations.

Construction sites, mines, ports, farms, utilities and oil and gas facilities can cover large areas. Installing Ethernet or fibre connections to every tracking point is often expensive or impractical.

A wireless network must provide enough coverage without requiring too many access points or repeaters.

Physical Obstacles

Factories and industrial facilities contain metal structures, concrete walls, machinery, storage racks, vehicles and moving equipment.

These obstacles can absorb, reflect or block wireless signals. A tracking device may work well in one location but lose connectivity when it moves behind a machine or enters another operational area.

Battery-Powered Devices

Many asset trackers operate on batteries because they are attached to mobile equipment, containers, tools or remote infrastructure.

Frequent transmission and long connection times increase power consumption. Replacing batteries across hundreds of devices can create significant maintenance work.

Moving Assets

An industrial asset tracking system must continue working when equipment moves between network coverage zones.

Forklifts, loaders, trucks, tools and portable machines may regularly move between indoor and outdoor environments. Network design must account for mobility, temporary signal loss and delayed data delivery.

Harsh Operating Conditions

Tracking devices may be exposed to:

• High or low temperatures
• Dust
• Moisture
• Rain
• Vibration
• Electrical noise
• Chemicals
• Mechanical impact

Reliable industrial asset monitoring requires more than selecting a wireless protocol. The complete system, including the radio module, antenna, enclosure, power supply and connectors, must be designed for the operating environment.

Different Regional Requirements

Industrial asset tracking systems may be developed in one country and deployed in several international markets.

Sub-1 GHz frequency allocations, transmission-power limits, certification requirements and approved channel plans vary by region. A radio configuration that is permitted in one country may not be permitted in another.

International deployments therefore require country-specific RF planning, regulatory review and product certification.

How Wi-Fi HaLow Supports Industrial Asset Tracking

Wi-Fi HaLow was developed for connected applications that require wider coverage and lower power consumption than conventional Wi-Fi can normally provide.

The IEEE 802.11ah standard enables Wi-Fi operation in license-exempt bands below 1 GHz. The standard was designed for communication over longer distances under suitable conditions.

Actual deployment range depends on antenna design, power limits, interference, terrain, installation height and physical obstacles.

Longer Wireless Coverage

Lower-frequency radio signals generally experience less path loss than higher-frequency signals over the same distance and conditions.

This can help Wi-Fi HaLow cover larger industrial areas than conventional 2.4 GHz or 5 GHz Wi-Fi using fewer network access points.

For industrial asset tracking, wider coverage may support:

• Equipment moving across a construction site
• Vehicles operating inside a mine
• Pumps distributed across an energy facility
• Storage containers located across a port
• Agricultural equipment operating across fields
• Mobile tools moving between production areas

Actual coverage must still be validated through RF planning and field testing.

Better Communication Through Obstacles

Sub-1 GHz signals can provide stronger propagation through some walls, equipment and industrial structures than higher-frequency Wi-Fi signals.

This can reduce coverage gaps in factories, warehouses and mixed indoor-outdoor environments.

However, Wi-Fi HaLow cannot eliminate every signal problem. Thick concrete, underground locations, large metal structures and severe interference can still reduce performance.

A link-budget calculation and site survey should be completed before deployment.

Lower Power Requirements

Wi-Fi HaLow includes power-saving mechanisms intended for connected devices and IoT applications.

A tracking device can reduce its active communication time, remain in a lower-power state and wake when data must be transmitted. This can help extend battery life in applications where devices send periodic location or equipment-status updates.

Battery performance will still depend on:

• Reporting frequency
• Sensor power consumption
• Signal strength
• Retransmissions
• Processing requirements
• Temperature
• Battery chemistry
• Sleep configuration

A device reporting once every hour will have a different power profile from a tracker sending data every few seconds.

Support for IP-Based Communication

Wi-Fi HaLow can support IP-based communication between devices, gateways and network applications.

This can simplify integration with existing enterprise systems, edge platforms, industrial gateways and cloud services.

Depending on the system design, the network may transfer:

• Asset identification
• GPS or GNSS coordinates
• Equipment operating hours
• Fuel or battery levels
• Temperature and vibration readings
• Maintenance alerts
• Fault codes
• Usage information
• Firmware or configuration updates

This makes Wi-Fi HaLow useful for systems that require more than a small status message.

Support for Distributed Device Networks

Industrial asset tracking deployments may include many devices across a wide area.

Wi-Fi HaLow was designed to support dense IoT environments. However, practical capacity depends on the access point, traffic pattern, channel width, data rate, reporting frequency and application requirements.

Engineers should calculate expected traffic rather than assuming every device can report continuously without affecting network performance.

How a Wi-Fi HaLow Asset Tracking System Works

A typical Wi-Fi HaLow industrial asset tracking architecture contains five main layers.

1. Asset Identification or Positioning

The system first identifies the asset or calculates its location.

Possible technologies include:

• GPS or GNSS for outdoor positioning
• RFID for identification at specific checkpoints
• Bluetooth for proximity-based detection
• UWB for higher-accuracy local positioning
• Equipment controllers for machine identity
• Sensors for operating-condition data

The correct technology depends on the required accuracy, coverage, cost and environment.

2. Asset Tracking Device

The tracking device is attached to or installed inside the asset.

It may include:

• A positioning receiver
• Sensors
• A microcontroller or processor
• Local storage
• A power-management circuit
• A Wi-Fi HaLow radio
• An antenna
• A battery or equipment power connection

The device collects the required information and prepares it for transmission.

3. Wi-Fi HaLow Connection

The Wi-Fi HaLow radio sends the data from the asset to a compatible access point or gateway.

The connection may be direct or may form part of a wider site network, depending on the equipment and system architecture.

4. Gateway and Backhaul

The gateway connects the local Wi-Fi HaLow network to the wider monitoring system.

Backhaul options may include:

• Ethernet
• Fibre
• Conventional Wi-Fi
• Cellular
• Microwave links
• Private wireless networks
• Satellite communication

The backhaul should be selected according to site availability, latency, reliability and operating cost.

5. Asset Management Platform

The management platform receives and displays the asset data.

Operators may use it to:

• View equipment locations
• Receive maintenance alerts
• Monitor operating conditions
• Identify unused assets
• Review movement history
• Manage equipment allocation
• Detect unauthorized movement
• Plan preventive maintenance
• Analyse equipment utilization

Wi-Fi HaLow provides the connectivity layer between the field device and the wider monitoring infrastructure.

Industrial Asset Tracking Applications for Wi-Fi HaLow

Construction Equipment Tracking

Construction companies manage excavators, loaders, generators, compressors, tools and other mobile equipment across changing project sites.

A Wi-Fi HaLow network can support the transmission of equipment location, operating hours, fuel level, maintenance status and movement alerts across a large worksite.

This can help teams identify:

• Where equipment is located
• Whether machinery is being used
• When maintenance is due
• Whether equipment has moved outside an approved area
• Which assets are available for another project

For international construction operations, the network design must be adapted to the radio regulations and site conditions of each country.

Mining Equipment and Fleet Monitoring

Mining operations often include vehicles, drilling equipment, pumps, conveyors, safety devices and environmental sensors distributed across wide areas.

Traditional Wi-Fi coverage may be difficult to maintain because of terrain, mine structures, moving vehicles and remote operating zones.

Wi-Fi HaLow can provide a connectivity option for transmitting equipment status and location data across selected mining environments.

It may support:

• Fleet visibility
• Maintenance monitoring
• Pump and generator monitoring
• Mobile equipment tracking
• Environmental sensing
• Worker-support systems

Underground and open-pit mines require different RF designs. Field testing remains essential.

Oil, Gas and Utility Asset Monitoring

Oil and gas operators may need to monitor valves, pumps, tanks, compressors, service vehicles and remote equipment.

Utility operators may manage meters, transformers, substations and field-maintenance assets.

Wi-Fi HaLow can support remote asset monitoring where equipment is distributed across a facility and requires periodic status reporting.

It can also be combined with cellular, fibre, microwave or satellite backhaul for sites located far from the main network.

Factory and Warehouse Asset Tracking

Factories and warehouses contain tools, pallets, containers, forklifts, production equipment and mobile workstations.

Wireless coverage can be affected by storage racks, machinery, metal structures and changing inventory layouts.

Wi-Fi HaLow may provide wider site coverage for connected tracking devices while reducing the number of access points required in some deployments.

Applications may include:

• Tool tracking
• Material movement monitoring
• Forklift tracking
• Work-in-progress visibility
• Container identification
• Equipment utilization monitoring
• Maintenance alerts

Agricultural Equipment Monitoring

Agricultural operations may need to track tractors, irrigation equipment, pumps, storage systems and mobile machinery across large outdoor areas.

Wi-Fi HaLow can support long-range communication between field devices and a central gateway where cellular coverage is limited or where operators want a locally managed network.

Applications may include equipment tracking, soil monitoring, irrigation control and storage-condition monitoring.

Ports and Logistics Facilities

Ports and logistics centres manage containers, vehicles, handling equipment and mobile assets across large operating areas.

A Wi-Fi HaLow network may help connect distributed tracking devices without depending on conventional Wi-Fi coverage at every location.

The system can support container status, equipment movement, yard visibility and maintenance monitoring.

Wi-Fi HaLow Compared with Other Asset Tracking Technologies

No single wireless technology is suitable for every industrial asset tracking system.

Wi-Fi HaLow

Wi-Fi HaLow is suitable for long-range local networks, battery-powered devices and moderate levels of sensor or equipment data.

It allows organizations to operate a privately managed network without depending on a mobile operator for every connected device.

Traditional Wi-Fi

Traditional Wi-Fi provides high data capacity but usually covers a smaller area. It may require more access points across large industrial sites.

Power consumption can also be higher for battery-operated tracking devices.

LoRaWAN

LoRaWAN is suitable for transmitting small and infrequent sensor messages over long distances.

It may be a strong option for simple status reporting, but it is not designed for applications that require larger data transfers or direct Wi-Fi-style IP communication.

Cellular Connectivity

Cellular networks can provide wide-area coverage for assets travelling between cities, regions or countries.

However, cellular systems normally require data plans and depend on operator coverage. Indoor performance may also vary across industrial facilities.

The final technology choice should be based on:

• Required coverage
• Asset mobility
• Data volume
• Reporting frequency
• Battery-life targets
• Network ownership
• Available backhaul
• Country-specific spectrum rules
• Deployment cost
• Required positioning accuracy

Hybrid systems are also common.

For example, a mobile asset may use GPS for outdoor location, Wi-Fi HaLow within an industrial facility and cellular connectivity when it moves outside the private network.

When Wi-Fi HaLow Is a Strong Choice

Wi-Fi HaLow may be suitable when an industrial asset tracking project requires:

• Coverage across a large private site
• Communication through some walls and obstacles
• Battery-operated tracking devices
• More data capacity than basic low-power sensor networks
• Integration with IP-based infrastructure
• A privately managed wireless network
• Support for both tracking and equipment-condition data
• Indoor and outdoor connectivity
• Reduced dependence on cellular subscriptions

It is especially relevant for industrial sites where assets remain within a defined operational area.

When Wi-Fi HaLow May Not Be the Right Choice

Wi-Fi HaLow is not automatically the best solution for every tracking application.

Another technology may be more suitable when:

• Assets regularly travel across cities or countries
• Public wide-area coverage is required
• Very precise indoor positioning is the main requirement
• The system only sends a few bytes several times per day
• Extremely high-bandwidth communication is required
• The target country does not support the required frequency configuration
• Existing cellular or private-network coverage already meets the requirement

Wi-Fi HaLow should therefore be selected as part of a complete system evaluation, not only because it offers longer range.

Important Design Considerations

Define the Tracking Requirement

Start by identifying what the system must measure.

Questions should include:

• Is exact location required?
• How accurate must the location be?
• How often should devices report?
• Are assets stationary or mobile?
• What sensor data must be transferred?
• How long should the battery last?
• What happens when the network is unavailable?

Clear requirements prevent unnecessary system complexity.

Complete RF Planning

Engineers should calculate:

• Transmit power
• Antenna gain
• Cable and connector loss
• Expected path loss
• Receiver sensitivity
• Fade margin
• Interference
• Obstruction loss

A theoretical link budget should be followed by an on-site survey and field validation.

Select the Correct Antenna

The antenna affects range, signal quality and regulatory performance.

Antenna selection should consider:

• Frequency band
• Required coverage pattern
• Installation height
• Asset orientation
• Enclosure material
• Cable loss
• Ground-plane requirements
• Environmental protection

A high transmit-power radio cannot compensate for a poorly integrated antenna.

Plan for Regional Compliance

International deployments must account for local spectrum and certification requirements.

Engineering teams should confirm:

• Approved frequency band
• Maximum transmit power
• Channel restrictions
• Duty-cycle rules, where applicable
• Antenna limits
• Product-certification requirements
• Labelling and documentation requirements

Regulatory planning should begin during product development rather than after the hardware design is complete.

Protect the Device

Outdoor and industrial tracking equipment may require:

• Rugged enclosures
• Water and dust protection
• Vibration resistance
• Thermal management
• Surge protection
• Industrial connectors
• Secure antenna mounting
• Conformal coating

The required protection depends on the installation environment.

Design Network Security

Industrial asset tracking data may include equipment locations, operating status and maintenance information.

The system should include:

• Strong authentication
• Encrypted communication
• Unique device credentials
• Network segmentation
• Secure firmware updates
• Access control
• Device monitoring
• Credential-revocation procedures

Security must cover the tracking device, wireless network, gateway, backhaul and management platform.

Test Before Full Deployment

A pilot deployment should validate:

• Coverage
• Battery performance
• Mobility
• Data-delivery reliability
• Gateway capacity
• Antenna performance
• Environmental behaviour
• Application integration

Results from the pilot should be used to adjust the design before large-scale production.

Vizmonet ahSP1 Wi-Fi HaLow Module for Industrial IoT Development

Vizmonet’s ahSP1 is a Wi-Fi HaLow module developed for the Sony SPRESENSE platform.

The module is based on the Newracom NRC7292 chipset and supports IEEE 802.11ah communication in the 902 MHz to 928 MHz band. It supports 1 MHz, 2 MHz and 4 MHz channel bandwidths and is designed for an industrial operating-temperature range of −40°C to +85°C.

For engineering teams using Sony SPRESENSE, the ahSP1 can support the development and evaluation of applications such as:

• Industrial asset tracking
• Remote equipment monitoring
• Smart agriculture
• Utility monitoring
• Infrastructure sensing
• Industrial IoT gateways
• Distributed sensor systems

The Sony SPRESENSE platform includes GPS-reception capabilities, while the ahSP1 adds Wi-Fi HaLow connectivity.

This combination can support prototypes that collect location or sensor information and transfer it over a long-range wireless connection.

The ahSP1 operates in the 902 MHz to 928 MHz range. This frequency configuration is not automatically suitable for every international market.

OEMs must confirm regional spectrum rules and certification requirements before commercial deployment.

Engineering and Manufacturing Support for Asset Tracking Products

Developing an industrial asset tracking device involves more than adding a wireless module.

OEMs must coordinate:

• RF design
• Antenna integration
• Embedded hardware
• Power management
• Sensor integration
• Mechanical design
• Firmware
• Regulatory testing
• PCB assembly
• Product validation
• Production scaling

Vizmonet provides RF and wireless engineering, product integration, PCB assembly, box-build manufacturing and regulatory-certification support for industrial, embedded and IoT product development.

This integrated approach can help OEMs move from early design and prototyping to pilot builds and volume production while reducing coordination between multiple engineering and manufacturing partners.

Conclusion

Industrial asset tracking can improve equipment visibility, maintenance planning, utilization and operational control.

However, the performance of a tracking system depends on reliable communication between the asset, gateway and monitoring platform.

Wi-Fi HaLow provides a practical connectivity option for assets distributed across factories, construction sites, mines, farms, utilities, energy facilities, ports and other large industrial environments.

Its sub-1 GHz operation can provide wider coverage and improved signal propagation compared with conventional Wi-Fi in many conditions. Its power-saving capabilities can also support battery-operated tracking devices.

Wi-Fi HaLow does not replace GPS, RFID, UWB or other positioning technologies. Instead, it provides the communication layer used to transfer location, sensor and equipment-status information.

Successful deployment requires RF planning, antenna integration, power optimization, field testing, security design and country-specific regulatory evaluation.

Organizations developing industrial asset tracking or remote monitoring products can work with Vizmonet to evaluate Wi-Fi HaLow, integrate wireless hardware and prepare the product for manufacturing and deployment.

Discuss Your Industrial Asset Tracking Requirements

Are you developing an industrial asset tracking system, remote monitoring device or Industrial IoT gateway?

Contact Vizmonet to discuss:

• Wi-Fi HaLow module selection
• RF and antenna design
• Embedded-system integration
• Wireless performance validation
• Regulatory certification
• Prototype and production support