RFID Tracking
RFID tracking uses radio-frequency identification tags and readers to automatically identify and locate assets without line of sight, enabling bulk scanning and real-time inventory visibility across large sites.
RFID (Radio-Frequency Identification) tracking uses electromagnetic fields to automatically identify and track tags attached to assets. Passive RFID tags are powered by the reader’s signal and work at short range, while active RFID tags have their own power source and can transmit over longer distances. RFID enables hands-free, multi-item scanning without requiring line-of-sight to each tag.
Why it matters
RFID is particularly valuable for high-volume asset environments where scanning items one at a time is impractical. A single RFID reader pass can identify dozens or hundreds of items simultaneously, dramatically speeding up stocktakes and gate checks. It is widely used in tool cribs, warehouses, and controlled access points to automatically log asset movements.
How MapTrack helps
MapTrack integrates with RFID readers and can receive tag scan events to automatically update asset locations and custody records within the platform.
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Frequently asked questions
What is the difference between active and passive RFID?
Passive RFID tags have no battery and are powered by the radio signal from the reader, giving them a read range of a few centimetres to about 10 metres. Active RFID tags contain their own battery and can transmit over 100 metres or more, but cost significantly more per tag. Passive tags are suitable for tool cribs and gate checks; active tags suit large site or yard tracking.
Is RFID more expensive than QR code tracking?
Yes. RFID requires specialised readers and tags that cost more per unit than printed QR code labels. However, the time savings from hands-free bulk scanning can justify the investment in high-volume environments. Many organisations use a tiered approach: QR codes for general assets and RFID for high-turnover tool stores or controlled access points.
Related terms
Asset Tracking
Asset tracking is the process of monitoring the location, status, custody, and condition of physical assets throughout their lifecycle. It combines identification technologies (QR codes, barcodes, RFID, GPS) with software to maintain a real-time or near-real-time record of where assets are and who is responsible for them. Asset tracking applies to tools, equipment, plant, fleet, IT hardware, and any other tangible items of value.
Barcode Tracking
Barcode tracking uses printed barcodes, usually Code 128, Code 39 or another one-dimensional format, attached to assets, tools, parts or inventory. When a worker scans the barcode with a handheld scanner or mobile app, the barcode opens the matching asset record so the team can confirm identity, update location, log maintenance, complete a stocktake or check an item in and out. A barcode asset tracking system is most useful when teams already use barcode scanners, warehouse workflows or ERP systems that expect barcode input.
QR Tracking
QR tracking, also called QR code asset tracking, uses a unique QR code label on each physical asset to open that asset’s digital record. When a worker scans the code with a phone, the tracking system can show the asset ID, location history, custody, condition, service records, inspection status and open work orders. QR tracking is different from GPS tracking: QR updates happen when someone scans the label, while GPS devices report location automatically.
IoT Sensors
IoT (Internet of Things) sensors are connected devices that collect and transmit data about an asset’s condition, environment, or usage in real-time. Common sensor types measure temperature, vibration, humidity, fuel levels, engine hours, pressure, and tilt. The data is transmitted wirelessly to a central platform for monitoring, alerting, and analysis.
Stocktake
A stocktake (also called a physical inventory count) is the process of physically counting and verifying all assets or inventory items and reconciling the count against records in the asset register or inventory system. It confirms that recorded quantities and locations match physical reality. Stocktakes may cover all assets (full stocktake) or focus on specific categories, locations, or high-value items (partial or cycle count).
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