Cykeo RFID IoT Solution Products R&D Manufacturer
Can We Build a Custom UHF or HF RFID Reader on Our Own?
934Learn whether building a custom UHF or HF RFID reader is feasible, key challenges, and how Cykeo’s modular solutions simplify development.
MoreHow do RFID tags work?
RFID (Radio-Frequency Identification) tags use radio waves to wirelessly transmit data to a reader, enabling automated identification and tracking. These tags consist of a microchip and antenna, and they operate in passive, active, or semi-passive modes. Here’s a detailed breakdown of their functionality and applications.
1. Components of an RFID Tag
- Microchip:
- Stores data such as a unique identifier (UID), product details, or sensor readings.
- Antenna:
- Receives radio waves from the reader and transmits data back.
- Substrate:
- The material (e.g., plastic, paper) that houses the chip and antenna.
2. How RFID Tags Communicate
- Passive Tags:
- No Battery: Powered entirely by the reader’s radio waves.
- Process:
- The reader emits energy via radio waves.
- The tag’s antenna captures this energy, powers the chip, and reflects back the stored data.
- Range: Typically 1–10 meters (UHF) depending on reader power and environment.
- Active Tags:
- Battery-Powered: Continuously broadcast signals, enabling longer ranges (100+ meters).
- Applications: Real-time tracking of high-value assets like shipping containers.
3. Key Differences: Passive vs. Active Tags
| Feature | Passive Tags | Active Tags |
|---|---|---|
| Power Source | Reader’s RF energy | Internal battery |
| Cost | 0.10–2.00 | 20–100+ |
| Lifespan | Unlimited (no battery) | 3–10 years (battery-dependent) |
| Range | Short (1–10m) | Long (100m+) |
4. Common Applications
- Retail: Inventory management, anti-theft systems.
- Healthcare: Tracking medical equipment and patient records.
- Logistics: Monitoring shipments in real time.
- Access Control: Secure entry via RFID badges.
5. Cykeo’s RFID Innovations
- Cykeo’s EcoTag Series offers ultra-thin passive tags for retail and logistics, achieving 99% read accuracy in challenging environments.
- Their ActiveTrack Platform supports battery-powered tags for industrial asset tracking.
6. Challenges & Solutions
- Metal/Liquid Interference:
- Use specialized tags (e.g., Cykeo’s MetalFocus) with anti-detuning layers.
- Tag Collision:
- Anti-collision algorithms allow readers to scan hundreds of tags per second.
Case Study: 95% Faster Warehouse Audits
A logistics company reduced inventory audit times by 95% using Cykeo’s passive RFID tags, scanning 500+ boxes per hour without line-of-sight.
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