Bluetooth technology has revolutionized the way we connect and communicate with devices, and its impact on the Internet of Things (IoT) is no exception. At the forefront of this innovation are Bluetooth tags – small, low-power devices that transform ordinary items like products, packages, and equipment into smart, trackable assets. By providing location data, environmental sensing, and seamless integration with existing Bluetooth infrastructure, they offer a cost-effective solution for businesses looking to optimize operations and enhance asset management.

Background

Bluetooth technology is a wireless communication standard that enables short-range data transfer between Bluetooth-enabled electronic devices. It was first introduced in 1994 by Ericsson, and since then, it has become an integral part of numerous consumer electronics and industrial applications. For additional information on this technology, refer to our blog “Unveiling the Fascinating Origins and Cutting-Edge  Evolution of Bluetooth Technology.”

Bluetooth technology plays a crucial role in telematics by enhancing vehicle connectivity, driver security, and asset tracking. Here are a few examples of how it’s used:

1. Vehicle Connectivity: Bluetooth enables seamless wireless connections between smartphones, tablets, and in-vehicle systems. This allows companies and drivers to monitor vehicle data in real-time, receiving alerts for any issues that require immediate attention.
2. Driver Identification and Authorization: Bluetooth key fobs are employed for driver identification and vehicle access control. Vehicle access controls ensure that only authorized drivers carrying the paired Bluetooth key fob can start and operate the vehicle, enhancing security and preventing unauthorized use.
3. Bluetooth Tags: These tags are attached to valuable assets, such as packages, tools, and equipment, to transmit location and sensing data (e.g., temperature, humidity) to nearby receivers, enhancing asset tracking and management.

Bluetooth Tag Technology Evolution

Battery Life

Bluetooth tags continue to rapidly evolve, addressing previous limitations and opening new possibilities for their use. One of the most significant advancements has been in battery life. Bluetooth tags now boast extended operational periods thanks to energy-efficient designs and the implementation of Bluetooth Low Energy (BLE) technology. This improvement allows tags to function for months or even years without requiring a battery change, making them more practical for long-term deployment in various scenarios.

Connectivity Range

Connectivity range has also seen substantial improvements. Bluetooth 4.0 devices typically had a maximum range of ~50 meters (164 feet) under ideal conditions. However, with the release of Bluetooth 5.0 in 2016, the range was extended up to 240 meters (800 feet) in open environments, thanks to improvements in the radio and power management systems. This expanded reach has broadened the potential applications for Bluetooth tags, particularly in large-scale industrial and commercial settings.

Location Accuracy

Location accuracy has taken a leap forward with the introduction of high-precision positioning technologies. Bluetooth 5.1 introduced Direction-Finding which utilizes Angle of Arrival (AoA) and Angle of Departure (AoD) to estimate the direction of a Bluetooth signal. These capabilities pinpoint the exact direction of a signal, improving location accuracy to within centimeters to create new possibilities for applications requiring detailed spatial awareness.

Mesh Networking

Another Bluetooth technology evolution is the introduction of mesh networking capabilities. Bluetooth Mesh allows multiple devices to form a network, relaying information between tags and receivers. This technology significantly expands the coverage area for Bluetooth tag systems, enabling tracking across vast spaces or complex environments where direct line-of-sight between tag and receiver might not always be possible.

Integration with Other Technologies

Furthermore, the integration of Bluetooth tags with other technologies has amplified their capabilities. By combining Bluetooth with GPS, Ultra-Wideband (UWB), and other location technologies, developers have created hybrid solutions that offer the best of multiple worlds – the energy efficiency and ubiquity of Bluetooth paired with the global reach of GPS or the centimeter-level accuracy of UWB.

Bluetooth Tag Telematics Use Case Examples

These technological advancements have paved the way for a wide array of new and improved applications across various industries including the following examples:

Transportation & Logistics

Bluetooth tags can further optimize supply chain management in transportation and logistics. These tags, attached to packages and read by Bluetooth gateways or devices, enable continuous tracking of goods, reducing losses and boosting efficiency. A 2022 CargoNet study highlighted the persistent issue of cargo losses, estimating annual global losses due to theft or misplacement at $12-15 billion.

Healthcare

Bluetooth tags are now being used to track equipment within medical facilities and for in-home patient care. The tags can be used to track a wide range of assets including portable testing devices, IV pumps, trolleys, crash carts, wheelchairs, and scanners/monitors. AMR Research estimates that between 10% – 20% of a hospital’s mobile equipment is lost or stolen during their useful life at an average cost of $3,000 per asset.

Automotive Dealerships

In the automotive retail sector, Bluetooth tags are solving a longstanding problem for dealerships – keeping track of key fobs. By tagging key fobs, key personnel at dealerships can easily locate specific vehicles on large lots, streamline the sales process, and prevent loss or theft of valuable keys. Research indicates the automotive dealerships typically lose an average of 5 keys per month, each costing approximately $275 to replace. This annual loss amounts to around $16,500, excluding the additional costs associated with the time spent by auto dealer sales representatives and other staff in their efforts to locate missing keys.

Challenges and Considerations

While the use Bluetooth tags to track assets continues to expand, their widespread adoption does come with the following challenges:

Security

Security concerns top the list, as any wireless technology can be vulnerable to hacking or unauthorized access. As Bluetooth tags become more prevalent in sensitive applications, ensuring robust security measures is crucial.

Tag Cost

Bluetooth tag cost is another consideration. Although Bluetooth tag prices are decreasing, RFID tags remain cheaper and are generally easier to deploy. However, RFID tags offer a much shorter range and have limited data capabilities. Companies need to weigh these trade-offs to decide which technology best suits their specific needs.

Infrastructure Cost

Bluetooth tags need access points or gateways to transmit data to central systems. Large facilities like warehouses, hospitals, and auto dealership lots may require a considerable investment in gateway infrastructure. However, deployment costs can be reduced using Wi-Fi routers with built-in Bluetooth radios, allowing tags to leverage the facility’s Wi-Fi network. Additional gateways would only be necessary for areas needing precise zone or meter-level tracking.

Compatibility with Existing Systems

Compatibility with existing systems is also a consideration. As businesses look to implement Bluetooth tag solutions, ensuring these new technologies can integrate seamlessly with current IoT and tracking infrastructures is essential for smooth adoption and maximum benefit.

Conclusion

Bluetooth tags have a promising future, with continued advancements in battery life, accuracy, and integration with other technologies. These improvements will extend the range of use cases and enhance their asset tracking capability. Bluetooth tags are emerging as an integral component of the IoT ecosystem, expanding connectivity in innovative ways.

The innovations we’ve explored – enhanced range, improved accuracy, and integration with other technologies – are just the beginning. As Bluetooth technology continues to advance, we can expect to see even more creative and impactful applications across various industries. Whether it’s further optimizing supply chains or improving the tracking of medical equipment within hospitals, Bluetooth tags are already an indispensable part of our connected future.

About Positioning Universal

Established in 2013, Positioning Universal is the leading global provider of off-the-shelf and customizable mobile IoT devices and GPS vehicle and asset monitoring solutions. Our Systems Integration (SI) services deliver turn-key solutions for smooth IoT implementations, leveraging our team’s extensive industry knowledge. With a deep understanding of IoT technologies, we guide companies in designing and deploying IoT solutions that meet their unique needs. Our comprehensive offerings, paired with best-in-class customer support, empower companies with essential business intelligence to sustain a competitive edge in rapidly evolving markets.

In industries ranging from transportation & logistics to healthcare, effective asset management is a key enabler of profitability and operational control. While high-value assets like trucks, trailers, and heavy machinery have long been the focus of GPS tracking efforts, recent technological advancements and more affordable device options have expanded the scope of asset monitoring to include a wide array of non-powered assets.

Traditionally, non-powered assets posed tracking challenges due to their lack of onboard power sources. However, technological advancements, such as longer battery life and improved power management, now enable organizations to monitor any asset, powered or not.

The current generation of telematics solutions has ushered in a new era of comprehensive asset tracking. From storage containers to wheelchairs and trolleys in medical facilities, organizations can now gain real-time visibility into the location, usage, and condition of assets that were previously “off the grid.” This expanded visibility has made it possible to seamlessly monitor an organization’s entire asset portfolio, providing it with better operational insights, security, asset utilization, and maintenance practices.

Powered and Non-Powered Assets

Powered Assets

Powered assets are any vehicles, machines, or equipment that rely on an internal power source, such as fuel or electricity, to function. Examples include:

• Vehicles: Trucks, vans, buses, etc.
• Heavy machinery: bulldozers, excavators, cranes, etc.
• Medical equipment: monitors, scanners, IV pumps, syringe pumps, etc. used within healthcare facilities or for in-home care
• Utility equipment: Generators, compressors, etc.

Because these assets have an internal power source, they can be more easily outfitted with GPS trackers that continuously transmit data on their location, performance, and condition.

Non-Powered Assets

Non-powered assets are any trailers, machines, or equipment without access to power. Examples include:

• Trailers: dry van, step deck, flatbed, utility, etc.
• Railcars
• Shipping containers
• Portable storage units
• Medical equipment: beds, stretchers, wheelchairs, trolleys, etc. used within healthcare facilities or for in-home care

Non-powered assets are frequently moved between sites, making manual tracking inefficient. Since they don’t have their own power supply, tracking them presents unique challenges—such as ensuring that GPS tracking devices are durable, have a long battery life, and remain operational in harsh conditions.

Challenges in Tracking Both Types of Assets

For powered assets, the challenge lies in collecting and interpreting the vast amounts of data they generate, such as engine diagnostics, fuel usage, and location. Organizations need sophisticated analytics and reporting offered by telematics solutions to analyze this information and turn it into actionable insights.

Tracking non-powered assets is more complex due to their lack of internal power and frequent use in remote locations which may have limited cellular coverage. Ensuring continuous tracking requires specialized GPS devices with long battery lives or alternative power sources like solar energy.

Asset Monitoring Benefits

Overall

Improved Decision-Making and Asset Allocation

Asset Management functionality within telematics solutions help organizations make better decisions about asset allocation. For example, knowing the exact location and condition of both powered and non-powered assets enables managers to deploy them more efficiently. This reduces idle time and ensures that critical equipment is always available when needed.

Simplifying Reporting and Compliance

Many industries, particularly those involved in transportation and logistics, must comply with strict regulations. Telematics solutions can automatically generate reports on vehicle usage, maintenance, and compliance, making it easier for organizations to meet regulatory requirements.

Powered Assets

Continuous Monitoring

Telematics solutions provide organizations with continuous or periodic tracking and monitoring data, which is crucial for managing extensive asset portfolios, offering unprecedented transparency and ensuring optimal asset deployment. This data enables swift decision-making, allowing managers to optimize travel paths to ensure on-time deliveries and service appointments. Moreover, telematics solutions extend beyond just vehicles and trailers – they can now effectively monitor all asset types, significantly reducing loss and theft while improving overall operational efficiency.

Engine Diagnostics and Usage Monitoring

Telematics solutions, integrated with CAN Bus or OBD-II interfaces, provide real-time insights into engine performance, fuel efficiency, and vehicle diagnostics. This data enables predictive maintenance, minimizing downtime and extending asset lifespan.

Preventative Maintenance Alerts

Powered assets often require regular maintenance to function efficiently. These systems can be configured to send automatic alerts based on the hours of operation or miles traveled, ensuring that vehicles and machinery receive preventative maintenance on time. This reduces the risk of unexpected breakdowns, which can disrupt workflows and lead to lost revenue.

Reducing Operational Costs Through Route Optimization

By analyzing the data collected through GPS tracking, organizations can identify more efficient routes for vehicles and equipment. Route optimization reduces fuel consumption, cuts down on wear and tear, and minimizes operational costs.

Examples

• Fleet management: Businesses with large vehicle fleets, such as delivery services or logistics companies, benefit from improved efficiency and reduced fuel costs.
• Construction equipment: GPS trackers help monitor the location and condition of expensive machinery on job sites, reducing theft and misuse.
• Equipment rental services: Companies that rent out powered equipment can track the usage patterns and maintenance needs of their assets, ensuring that they are returned to proper condition and ready for the next customer.

Non-Powered Assets

Long Battery Life

Non-powered assets may remain in one location for extended periods, so it’s critical that GPS trackers designed for these assets come with long battery lives.  Advancements in battery-powered devices, including using algorithms for advanced power management, result in devices that can monitor assets for multiple years.

Anti-Theft and Security Features

Non-powered assets are particularly vulnerable to theft, especially when left unattended at job sites or depots. Telematics solutions are equipped with features like geofencing, which triggers an alert if the asset is moved outside a pre-defined area, and tamper alerts, which notify key personnel if someone attempts to remove or disable the device.

Inventory Management and Asset Utilization Tracking

Tracking non-powered assets can provide valuable insights into how often and where they are being used. This data can be leveraged to optimize asset utilization, ensuring that expensive equipment is not sitting idle. For instance, an equipment rental company can track hours of use for each rental trailer, allowing them to allocate resources more effectively.

Reducing Losses and Improving Operational Efficiency

By ensuring that non-powered assets are being always tracked, organizations can reduce losses due to theft, misplacement, or inefficient use. Continuous monitoring also helps ensure that equipment is used effectively, which ultimately improves operational efficiency.

Examples

• Trailer tracking: GPS devices can help companies monitor trailers to improve asset utilization and to quickly recover merchandise in the case of a stolen trailer
• Container tracking: Companies that ship goods can track their containers across various points in the supply chain, ensuring timely delivery.
• Key fob tracking: Auto dealerships that want to track key fobs to prevent theft or to minimize time spent by staff finding lost or misplaced key fobs.

Choosing the Right Asset Monitoring Devices

Selecting appropriate devices to monitor assets is crucial. Key capabilities to consider include:

• Real-time tracking: Provide real-time location data for powered assets, allowing organizations to monitor assets actively and make informed decisions.
• Extended battery life: Essential for non-powered assets to minimize device/battery maintenance and for back-up batteries for powered assets in the event of a power outage.
• Rugged construction: Devices must withstand diverse environmental conditions.
• Low-power mode: Helps conserve battery by adjusting the frequency of updates when the asset is stationary and during periods of extreme temperature or poor cellular coverage.
• Flexible device options: Choose between hard-wired, solar-powered, and battery-operated devices and Bluetooth tags, depending on the asset type and usage patterns.

Table 1

Ideal Use Cases by Device Type

Conclusion

Telematics solutions with advanced asset management offer significant benefits for organizations managing both powered and non-powered assets. These solutions help reduce theft, improve operational efficiency, and simplify maintenance and compliance processes. By integrating telematics across the entire asset portfolio, companies gain full visibility into their operations, leading to better decision-making and cost savings.

The ability to monitor all assets ensures optimized asset utilization and minimizes downtime. Ultimately, asset management software and purpose-built asset tracking devices are a key enabler for companies to maintain a competitive edge in their industry.

About Positioning Universal

Established in 2013, Positioning Universal is the leading global provider of off-the-shelf and customizable mobile IoT devices and GPS vehicle and asset monitoring solutions. Our Systems Integration (SI) services deliver turn-key solutions for smooth IoT implementations, leveraging our team’s extensive industry knowledge.

With a deep understanding of IoT technologies, we guide companies in designing and deploying IoT solutions that meet their unique needs. Our comprehensive offerings, paired with best-in-class customer support, empower companies with essential business intelligence to sustain a competitive edge in rapidly evolving markets.

Solar-powered asset trackers made their debut in the mid-2010s with a primary focus on unpowered assets that required extended monitoring periods with minimal service and maintenance support. Over the last decade, the variety of assets tracked using solar technology has expanded significantly. This expansion has been driven by solar efficiency gains and the use of long-lasting backup batteries, enabling these devices to continuously operate even during extended periods of limited sunlight.

Solar-powered asset trackers offer an innovative solution for trailer tracking, utilizing solar energy to provide near real-time data on trailer location and condition. By combining efficiency and sustainability, transportation and logistics providers stand to benefit greatly from the use of solar-powered trackers.

Benefits of using Solar-Powered Asset Trackers for Trailer Tracking

Using solar power for trailer tracking offers companies a cost-effective, sustainable, and versatile option, eliminating the need for frequent battery replacements and reducing environmental impact of using one-time use or high maintenance solutions. Solar-powered asset trackers ensure reliable and uninterrupted tracking, making them ideal for monitoring trailers.

Cost Efficiency	Sustainability	Uninterrupted Monitoring
Although the initial investment in solar asset tracking devices may be higher, they can yield superior long-term cost savings compared to battery-powered devices by eliminating the maintenance costs associated with battery replacements or recharging.	Solar-powered devices harness  a renewable and clean energy source. This reduces the environmental impact associated with battery-powered devices by eliminating maintenance trips to service these devices and the disposal of electronic waste due to battery replacements.	When sunlight is scarce, solar-powered devices use backup batteries to ensure uninterrupted tracking. This is especially important for long-term tracking use cases, as it ensures the tracking device remains operational.

Key Trailer Tracking Challenges

Monitoring trailers used in transportation presents several challenges, primarily stemming from the need for continuous monitoring and tight security. Ensuring the safety and security of goods in transit requires constant monitoring of trailer location, condition, and cargo integrity which can be hindered by limited visibility into key events such as a trailer door being unexpectedly opened while the trailer is stationary or a sudden temperature drop within the trailer.

Cargo theft remains a significant and escalating concern within the North American transportation & logistics sector. According to a CargoNet study, in 2023, cargo theft incidents increased 57% YoY resulting in a total of nearly $130 million of goods stolen.

Additionally, maintaining optimal trailer performance requires proactive monitoring of mileage to determine replacement cycles for tires and, if transporting temperature-sensitive goods, continuous monitoring of the trailer temperature to meet customer and regulatory requirements to prevent product spoilage.

Conclusion

Solar-powered asset trackers are transforming trailer tracking by combining efficiency and sustainability, offering numerous benefits such as continuous tracking capabilities, reduced environmental impact, and improved security and maintenance. These trackers offer transportation and logistics provide the unique opportunity for a more efficient and sustainable future in trailer tracking.

About Positioning Universal

Established in 2013, Positioning Universal is the leading global provider of off-the-shelf and customizable IoT devices, along with GPS-based monitoring solutions for vehicles and assets. Our Systems Integration (SI) services deliver turn-key solutions for smooth IoT implementations, leveraging our team’s extensive industry knowledge. With a deep understanding of IoT technologies, we guide companies in designing and deploying IoT solutions that meet their unique needs. Our comprehensive offerings, paired with best-in-class customer support, empower businesses with the essential business intelligence to sustain a competitive edge in rapidly evolving markets.

Positioning Universal’s Solar-Powered Asset Trackers

Positioning Universal launched its solar asset trackers, the TT600 and TT603¹, in 2019. Key competitive differentiators for the TT600 and TT603 are:

Positioning Universal continuously monitors relevant technological advancements, including emerging developments in solar technologies, in our constant quest to improve the quality of the telematics solutions we provide to our resellers and customers.

^{1 TT603 has a built-in connector to connect temperature sensors, door sensors, and to detect tractor power.}