SIVA – UNI™ Dumbel-T UHF RFID Flag Label for On-Metal & Challenging Surfaces
The SIVA UNI™ Dumbel-T is a cost-optimized UHF RFID flag label designed to deliver excellent read range in challenging RFID environments, including on-metal applications. Its smart flag-style construction physically separates the RFID inlay from the mounting surface, allowing reliable performance on metal, plastic, cardboard, and mixed materials.
Operating across global UHF RFID frequencies (865–928 MHz), the Dumbel-T label is ideal for industrial asset tracking, logistics, returnable transport items (RTIs), warehouse identification, manufacturing workflows, and supply chain visibility. The printable white PET face stock supports thermal transfer printing, enabling easy addition of barcodes, EPCs, serial numbers, logos, and variable data at the point of use.
With an IP68 rating, strong chemical resistance, and durable adhesive, the SIVA UNI™ Dumbel-T is built for harsh industrial environments where traditional flat RFID labels struggle to perform.
Specification
RF Specification
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Air Interface Protocol: ISO/IEC 18000-63:2015, EPCglobal Gen2v2
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Operational Frequency: Global 865–928 MHz
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IC Type: Impinj Monza M830
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Memory Configuration:
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EPC: 128 bit
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TID: 96 bit
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Read Range (2W ERP):
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On plastic: up to 12 m (39.37 ft)
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On metal: up to 6.5 m (21.3 ft)
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On cardboard: up to 11.5 m (37.42 ft)
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Applicable Surface Materials: All surfaces, including metal
Physical Specification
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Face Stock: Printable white PET (resin ribbon recommended)
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Label Size: 100 × 120 × 0.2 mm (3.93″ × 4.72″ × 0.01″)
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Adhesive: High-performance permanent adhesive with strong bonding to multiple substrates
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Delivery Format: 500 labels per reel
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Label Pitch: 155 mm
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Core Inner Diameter: 76 mm (3″)
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Weight: 2.325 g
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Release Liner: White PET
Environmental Resistance
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Operating Temperature: –20 °C to +70 °C (–4 °F to +158 °F)
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Adhesive Service Temperature: –20 °C to +85 °C (–4 °F to +185 °F)
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Application Temperature: +10 °C to +38 °C (+50 °F to +100.4 °F)
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Ingress Protection: IP68 (waterproof and dustproof)
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Chemical Resistance: Resistant to salt water, motor oil, sodium hydroxide, and acetone
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Storage Conditions: +23 °C / 50 % RH
Benefits
Flag-label design enables consistent RFID reading on metal and difficult surfaces where standard labels fail.
Delivers up to 12 m read range on plastic and strong performance on metal and cardboard.
IP68-rated construction resists water, chemicals, oils, and harsh handling in industrial and logistics environments.
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- Device Type: RAIN RFID / EPCglobal Gen2v2
- Operational frequency: Global 865 – 928 MHz
- IC type: NXP UCODE 8m
- Memory configuration: EPC 96 bit, User 32 bit, TID 96 bit
- EPC memory content: Unique number encoded as a default
- Read range (2W ERP):
- Hanging from metal: up to 12m / 40ft
- Hanging from plastic: up to 3m / 10ft
- Hanging from cable: up to 2m / 6ft
- Applicable surface materials: All surfaces, optimized for metal
- Tag materials: High quality engineering plastics
- Weight: 6g
- Delivery format: Single
- Amount in box: 150 pcs
- Dimensions:
- Open: 125.7mm x 20mm x 15mm (4.95″ x 0.78″ x 0.59″)
- Closed: 61mm x 20mm x 10mm (2.4″ x 0.78″ x 0.4″)
- Environmental resistance:
- Operating temperature: -35degree C to +85degree C / -31F to +185F
- Short term peak temperature: +130degree C / 266F for 10min
- Ambient temperature: -35degree C to +85degree C / -31F to +185F
- IP classification: IP68
- Washing resistance: Designed to tolerate standard industrial washing processes. Real environment testing recommended.
- Chemical resistance: No physical or performance changes in motor oil exposure (168h), sulfuric acid exposure (minutes), or NaOH exposure (minutes). Acetone should be avoided.
- Expected lifetime: Years in normal operating conditions
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- Operating Frequency: 860-960 MHz
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