WISER Systems: Where Active RFID Delivers Value and Where RTLS Takes Over
According to WISER Systems, active RFID remains valuable for long-range, hands-free visibility into tools, assets and work-in-process. But the company sees its strengths primarily in checkpoint and zone-level tracking, while continuous high-precision positioning increasingly calls for technologies such as UWB.
Manufacturers depend on knowing where tools, components, containers and production equipment are located. Yet assets can still disappear between departments, tooling is misplaced, and employees spend time searching for equipment that should already be available on the shop floor.
In a recent technology overview, WISER Systems examines where active RFID continues to deliver value in manufacturing and where its limitations become relevant. U.S.-based WISER Systems, headquartered in Raleigh, North Carolina, develops ultra-wideband (UWB) real-time location systems for manufacturing and other industrial environments. Its technology is designed for continuous, high-precision tracking of tools, carts, containers, work-in-process and other assets, while complementing existing RFID and barcode infrastructures.
Active RFID Extends the Tracking Range
The key difference lies in the tag itself. Passive RFID has no internal power source and responds only when energized by a reader. Active RFID tags, by contrast, include a battery and transmitter, allowing them to communicate over much greater distances.
WISER Systems cites typical active RFID ranges of around 30 to 100 meters, with longer distances possible under favorable conditions. Active tags can operate as transponders, which respond after being activated by a reader, or as beacons that broadcast at predefined intervals. Eingefügter Text
This makes active RFID attractive for applications where manufacturers need automated visibility across larger production areas, yards or defined zones.
From Tool Tracking to Environmental Monitoring
WISER Systems identifies use cases including tool and asset tracking, work-in-process visibility, inventory audits, yard management, worker mustering and high-value component tracking. Fixed readers positioned at dock doors, department boundaries or controlled areas can automatically record when tagged objects enter or leave a zone. Eingefügter Text
Battery-powered tags can also support sensors for parameters such as temperature, humidity or shock. According to WISER Systems, this turns active RFID into more than an identification technology: tags can monitor conditions and potentially transmit alerts when defined thresholds are exceeded. Eingefügter Text
The Limitation: Zone Visibility Is Not Exact Location
WISER Systems emphasizes one important distinction: long read range does not automatically mean precise real-time positioning.
Many active RFID systems provide checkpoint or zone-level visibility. They can show that an asset passed through a doorway or entered a department, but they generally do not provide its exact position continuously within that area. Eingefügter Text
For applications where it is enough to confirm that equipment has crossed a defined boundary, the company sees active RFID as a strong fit. Where manufacturers need to know continuously where a tool, cart or work order is located, WISER Systems points to dedicated real-time location technologies.
RFID and UWB Can Work Together
WISER Systems does not position UWB as a simple replacement for RFID. Instead, the company sees value in combining technologies according to the operational requirement.
RFID or barcodes can continue to capture discrete identification events, while higher-priority assets can be equipped with continuous RTLS. Eingefügter Text
WISER Systems positions its own UWB-based RTLS for this second layer of visibility. According to the company, UWB can complement existing RFID and barcode infrastructures where manufacturers need continuous, high-precision location data for tools, carts, containers or work-in-process. Eingefügter Text
For WISER Systems, the central question is therefore not simply RFID or RTLS. It is deciding which assets only need to be identified at defined process points and which require continuous location visibility.