Cykeo RFID IoT Solution Products R&D Manufacturer
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MoreHow does a passive radio-frequency identification (RFID) system work?
A passive RFID system uses radio waves to wirelessly identify and track objects without requiring an internal power source in the tag. This technology is widely used in logistics, retail, and asset management due to its cost-effectiveness and simplicity. Here’s a detailed breakdown of its components and workflow.
1. Key Components of a Passive RFID System
- RFID Tag:
- Contains a microchip (stores data like a unique ID) and an antenna.
- No battery—powered entirely by the reader’s radio waves.
- RFID Reader:
- Generates an electromagnetic field to energize tags and receive their data.
- Example: Cykeo’s UHF Passive Readers operate at 860–960 MHz for long-range scanning.
- Antenna:
- Integrated into the reader or standalone, it transmits and receives signals.
- Software:
- Converts raw tag data into actionable insights (e.g., inventory counts, location tracking).
2. Step-by-Step Communication Process
- Reader Activation:
- The reader emits radio waves via its antenna, creating an electromagnetic field.
- Tag Power-Up:
- A passive tag entering this field harvests energy from the waves to power its microchip.
- Data Transmission:
- The tag’s antenna reflects the reader’s signal, modulating it with the stored data (e.g., “Tag ID: 12345”).
- Signal Decoding:
- The reader detects the modulated signal, decodes the data, and forwards it to the software.
3. Advantages of Passive RFID Systems
- Cost-Effective:
- Tags cost 0.10–1.00 each, ideal for large-scale deployments.
- Durability:
- No batteries mean tags last 10+ years in harsh environments.
- Range:
- UHF passive tags can be read from 1–12 meters, depending on reader power and antenna design.
4. Common Applications
- Inventory Management:
- Scan hundreds of tagged items in seconds during warehouse audits.
- Retail Checkout:
- Automate payment processes with RFID-enabled product tags.
- Asset Tracking:
- Monitor tools, equipment, or medical devices in real time.
5. Cykeo’s Role in Passive RFID Solutions
- Cykeo’s readers support ISO 18000-6C/EPC Gen2 standards, ensuring global compatibility.
- Their software suite includes CloudTrack, which visualizes tag data for analytics and reporting.
Case Study: 80% Faster Warehouse Audits
A European logistics company reduced inventory audit times from 8 hours to 90 minutes using Cykeo’s passive RFID system, tracking 20,000+ pallets monthly.
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