RFID Tracking
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.
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 (typically Code 128, Code 39, or similar linear formats) attached to assets to enable identification and data retrieval through scanning. When scanned, the barcode links to the asset’s digital record in the tracking system. Barcodes have been the standard identification method for inventory and assets for decades and are widely supported across industries.
QR Code Tracking
QR code tracking uses Quick Response (QR) codes affixed to assets that can be scanned with a standard smartphone camera to retrieve or update asset information. Each QR code links to a unique digital record containing the asset’s identity, location history, service records, and compliance status. QR codes are durable, inexpensive, and do not require specialised scanning hardware.
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).
See how MapTrack handles rfid tracking