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TL5025u UHF RFID label within NXP U9 RFID chip
The FL5025u is a compact, high-performance UHF RFID label designed for demanding item-level tracking applications across aviation, apparel, and retail industries. Measuring just 50 mm × 25 mm, this label delivers an excellent balance of read range and form factor, making it ideal for space-constrained applications where consistent performance is critical.
Engineered with the NXP UCODE 9 chip, the FL5025u leverages industry-leading RAIN RFID technology to deliver exceptional read sensitivity of -24 dBm and write sensitivity of -22 dBm . This high sensitivity enables reliable inventory counts and faster encoding speeds (32 bits in just 0.96 ms) compared to previous generations . The chip features Self-Adjust technology for automated tag performance optimization in challenging environments and Memory Safeguard to protect against data corruption during writing .
The label operates across the global UHF frequency band (860–960 MHz), ensuring seamless deployment in multiple regions including North America (FCC), Europe (ETSI), and Asia（CMII）. The aluminum-etched antenna on PET substrate delivers typical read ranges of up to 4–6 meters (depending on reader configuration and environment) .
Built for durability, the UCODE 9 chip supports 100,000 write cycles and 20 years data retention, with an extended operating temperature range of -40°C to +85°C suitable for demanding logistics environments . The 96-bit EPC memory supports pre-serialization, while the factory-locked 96-bit TID includes a 48-bit unique serial number for reliable item identification .
Main applications:
Airline Baggage Tracking: Reliable sortation and reconciliation through automated baggage handling systems
Apparel Inventory Management: Item-level visibility from distribution center to point-of-sale
Retail Operations: Loss prevention, omnichannel fulfillment, and real-time stock accuracy
General Logistics & Supply Chain: Parcel sorting, asset tracking, and supply chain visibility
With its compact footprint, global frequency compatibility, and NXP UCODE 9 performance, the FL5025u delivers enterprise-grade RFID reliability in a versatile, cost-effective form factor.
Appearance and Structural Diagram
RFID Tag Layer Structure:
Face Stock (Coated Paper)：Top printable layer of the tag，to provide printable surface and environmental protection
Bonding Adhesive: Permanent adhesive for inlay attachment, to secures inlay to face stock permanently
Inlay → Inlay (Industry term - retain original): RFID chip + antenna embedded in substrate,
which contains the RFID IC and antenna (critical functional component)
Release Adhesive: Temporary adhesive for liner backing, which allows temporary attachment to liner
Release Liner (Siliconized Paper): Protective backing paper peeled during application, to enable die-cutting and protects adhesive until use
| Parameter | Description |
|---|---|
| Label Size | 50 mm × 25 mm (tolerance ±0.5 mm) |
| Antenna Size | 45 mm × 20 mm (typical) |
| Chip Type | NXP UCODE 9 (SL3S1206FUD2) |
| Substrate Material | PET (Polyethylene Terephthalate), 50 μm |
| Antenna Material | Aluminum etched, 10 μm thickness |
| Face Material | White thermal transfer coated paper (or optional synthetic paper / PET for enhanced durability) |
| Release Liner | 60 gsm glassine paper |
| Adhesive | Permanent acrylic, suitable for various surfaces including cardboard, plastic, and fabric |
| Winding | 3,000 labels per roll (custom quantities available) |
| Core Inner Diameter | 3 inches (76.2 mm) |
| Die Cutting Tolerance | ±1.0 mm |
| Inlay Placement Tolerance | ±1.5 mm |
| Printing | Compatible with thermal transfer and direct thermal printing (ribbon recommended: wax/resin for durability) |
| Item | Specification |
|---|---|
| RF Protocol | EPC Class 1 Gen 2, ISO/IEC 18000-6C (v2.1 compliant) |
| Operating Frequency | Global: 860–960 MHz (suitable for FCC, ETSI, and other regional bands) |
| Read Sensitivity | -24 dBm (typical) |
| Write Sensitivity | -22 dBm (typical) |
| Encoding Speed | 32 bits in 0.96 ms |
| EPC Memory | 96 bits (read/write, supports pre-serialization) |
| TID Memory | 96 bits (factory locked, with 48-bit unique serial number) |
| User Memory | 0 bits |
| Kill Password | 32 bits (permanently disable tag) |
| Read Range | Up to 4–6 meters (depending on reader power, antenna, and environment) |
| Write Endurance | 100,000 cycles |
| Data Retention | 20 years |
| Polarization | Linear |
| ESD Protection | ±2 kV (HBM) |
| Operating Temperature | –40°C to +85°C |
| Applicable Humidity | 10%–90% RH non-condensing |
Key Chip Features:
Self-Adjust: Automated tag performance optimization for consistent operation across various materials and environments
Memory Safeguard: Protection against data corruption during write operations
Block Write Support: 2 words (32 bits) for faster encoding
Permalock: Ability to permanently lock memory banks
Airline Baggage Tags: Reliable tracking of passenger luggage through sorting and carousels; withstands handling and environmental exposure .
Apparel & Retail: Ideal for item-level inventory management, point-of-sale, and loss prevention. Supports fast bulk reading .
General Logistics & Supply Chain: Suitable for parcel sorting, asset tracking, and supply chain visibility .
Do not bend, twist, or impact the chip area.
Keep away from water, oil, and chemicals.
Store in a cool, dry environment (20–30°C, 40–60% RH).
Avoid direct exposure to UV light for extended periods.
For optimal print quality and adhesion, use recommended ribbons and follow printer settings.
Each roll is individually packed in an anti-static bag to prevent damage.
Rolls are placed in sturdy carton boxes with proper cushioning.
Outer carton is labeled with product name, quantity, date code, and handling instructions.
100% functional test and visual inspection performed before shipment.
| Part Number | Description |
|---|---|
| FL5025u | UHF RFID wet inlay / label, 50×25 mm, NXP UCODE 9, 3000 pcs/roll |
Custom designs (printed logos, variable data, different adhesives, or face materials) are available upon request.
电话 : +8618682338756
电子邮件 : info@seemoretek.com
Whatsapp : +8618682338756
