In logistics and asset management, one problem keeps repeating: how do you secure something and track it at the same time—without adding complexity?
Traditional seals can lock a case, but they can’t tell you where it is, whether it was opened, or if it’s authentic. That’s where the Case Lock Tag UHF RFID 6C comes in.
This guide explains how it works, where it’s used, what problems it solves, and how it compares with other solutions, using straightforward language and real-world context.
What Is a Case Lock Tag UHF RFID 6C?
A Case Lock Tag UHF RFID 6C is a passive RFID tag integrated with a locking mechanism, designed to both secure and track assets simultaneously.
Key Specifications
Basic Parameters:
- Type: UHF Passive RFID Tag
- Frequency: 860–960 MHz
- Protocol: EPC Class1 Gen2 / ISO 18000-6C
Physical Parameters:
- Size: 67 × 44 × 3 mm
- Inlay Material: PET + Aluminum
- Outer Material: Durable plastic
Performance Parameters:
- Chip: Alien / Impinj
- Memory: Up to 512 bits
- Read Range: ~3 meters
- Mode: Read/Write
Environmental Parameters:
- Operating Temperature: -20°C to +50°C
- Storage Temperature: -40°C to +100°C
In simple terms:
It’s a smart lock that seals an item and lets you track it wirelessly at the same time.
Why Traditional Seals Are No Longer Enough
Standard seals (plastic or metal):
- Can be broken without detection (unless inspected manually)
- Require visual checks
- Provide no tracking capability
- Are prone to human error
In modern logistics, that’s not enough.
Working Principle (How It Actually Works)
Let’s break it down step-by-step.
Step 1: Tag Is Locked Onto an Asset
The tag is physically attached to:
- Containers
- Cases
- Bags
- Doors
Once locked:
- It acts as a tamper-evident seal
Step 2: RFID Reader Sends Signal
A UHF RFID reader emits radio waves in the 860–960 MHz range.
Step 3: Tag Receives Energy
Since it’s a passive tag:
- It uses the reader’s signal for power
- No battery required
Step 4: Chip Responds
The chip (Alien or Impinj):
- Sends back its unique ID
- May include stored data
Step 5: Data Is Captured
The system records:
- Tag ID
- Time
- Location
Optional: Tamper Detection
If the seal is broken:
- The tag may be physically damaged
- The system detects absence or mismatch
Key idea:
It combines physical security (locking) with digital tracking (RFID).
Core Components
1. RFID Chip
Stores:
- Unique EPC code
- Optional user data
2. Antenna (PET + Aluminum)
- Receives and transmits signals
- Optimized for UHF range
3. Plastic Housing
- Protects internal components
- Provides durability
4. Locking Mechanism
- Secures the tag to the asset
- Prevents easy removal
Main Applications
This tag is widely used in industries where security + traceability are critical.
1. Logistics and Express Parcels
Used for:
- High-value shipments
- Secure delivery tracking
Benefits:
- Prevents tampering
- Enables fast scanning
2. Container Sealing
Applied to:
- Shipping containers
- Cargo boxes
Advantages:
- Tamper-evident
- Real-time tracking
3. Food and Agricultural Supply Chain
Used for:
- Poultry (fowl)
- Seafood (crabs)
- Perishable goods
Improves:
- Traceability
- Safety compliance
4. Asset Management
Tracks:
- Equipment
- Storage cases
- Inventory
5. Prisoner Management
Used in:
- Secure transport systems
Ensures:
- Accountability
- Monitoring
6. Classification and Sorting Systems
Helps:
- Automate sorting
- Reduce manual work
Pain Points Solved
Problem 1: No Real-Time Tracking
Solution:
RFID enables wireless scanning
Problem 2: Tampering Goes Undetected
Solution:
Locking mechanism + tracking
Problem 3: Manual Inspection Is Slow
Solution:
Batch scanning improves efficiency
Problem 4: Data Errors
Solution:
Automated identification reduces mistakes
Problem 5: Asset Loss
Solution:
Track items throughout lifecycle
Problem 6: Security Gaps in Logistics
Solution:
Combines physical seal + digital ID
Performance Advantages
1. Contactless Operation
No need to:
- Open packages
- Touch tags
2. Batch Reading Capability
Multiple tags can be scanned at once.
3. Rewritable Memory
- Supports updates
- Flexible data storage
4. Durable Design
- Resistant to handling and transport
Competitive Analysis
Let’s compare it with alternatives.
Case Lock RFID Tag vs Traditional Seal
| Feature | RFID Lock Tag | Traditional Seal |
|---|---|---|
| Tracking | Yes | No |
| Tamper detection | Yes | Limited |
| Automation | High | None |
vs Barcode Label
| Feature | RFID Tag | Barcode |
|---|---|---|
| Read method | Wireless | Line-of-sight |
| Speed | Fast | Slow |
| Data capacity | High | Low |
vs Standard RFID Label
| Feature | Lock Tag | Label |
|---|---|---|
| Security | High | Low |
| Durability | High | Moderate |
| Use case | Sealing | Identification only |
vs Active RFID Tag
| Feature | Passive Lock Tag | Active Tag |
|---|---|---|
| Cost | Lower | Higher |
| Battery | No | Yes |
| Maintenance | Low | Higher |
When to Use Case Lock RFID Tags
Best for:
- Secure logistics
- High-value goods
- Supply chain tracking
- Regulatory environments
When NOT to Use Them
Not ideal for:
- Low-value items
- Temporary labeling
- Non-secure applications
Installation and Usage
Step 1: Attach and Lock
- Secure tag onto item
Step 2: Encode Data
- Write EPC or custom data
Step 3: Deploy
- Integrate with RFID system
Step 4: Scan and Monitor
- Track movement and status
Cost Overview
Typical pricing:
- $0.30 – $1.50 per tag (bulk)
Depends on:
- Chip type
- Quantity
- Customization
Future Trends
1. Smarter Security Tags
- Tamper detection sensors
2. IoT Integration
- Real-time tracking systems
3. Improved Durability
- Better materials for harsh environments
4. Data Encryption
- Enhanced security
Final Thoughts
The Case Lock Tag UHF RFID 6C is more than just a tag—it’s a hybrid solution combining security and visibility.
Key strengths:
- Dual function: lock + track
- Easy deployment
- Cost-effective
Trade-offs:
- Limited read range (~3m)
- Not needed for simple labeling
Bottom Line
If you need to secure and track items at the same time, this tag offers a simple and effective solution.
It replaces:
- Manual inspection
- Basic seals
- Error-prone tracking
With one system that does it all.
And in logistics, fewer steps usually mean fewer problems—and better results.


