SIVA – Sprintt-Slim RAIN RFID Race Timing Tag

The SIVA Sprintt-Slim is a 1.6 mm thin UHF RAIN RFID foam tag from the Sprintt Race Timing Solutions series, purpose-built for affixing directly onto race number bibs for marathon, triathlon, running event, and mass participation race timing applications. Built on the Impinj M830 Dogbone IC and operating at ETSI 865–928 MHz with 128-bit EPC and 96-bit TID memory, it delivers 18 m / 59.05 ft read range in free air and 4 m / 13.12 ft read range on the human body, enabling reliable chip detection at finish lines, timing mats, and intermediate split points even when bibs move during running.

At 98 x 30 x 1.6 mm on a white PE foam face with high-performance permanent adhesive, the Sprintt-Slim is thin and flexible enough to sit flat on a paper bib without creating bulk or discomfort for the athlete. Its transparent release liner is designed specifically for easy gap sensing on thermal transfer printers, making it compatible with major industrial RFID printers for on-demand bib encoding and printing in a single pass. Installation is straightforward: the tag is placed on the back of the race bib at the pre-identified location, pressed firmly from center outward for full adhesive contact, with safety pins placed at the bib corners only, not over the tag.

Each reel ships 1,000 100%-tested labels with a label pitch of 33 mm, packaged 2,000 pcs per box. IP67 rated and operating from -35°C to +85°C, the Sprintt-Slim performs reliably in outdoor race conditions including rain and wet weather. Customer-specific EPC encoding and custom printed artwork including logos, text, numbers, and barcodes in black are available on request under part number RF.1.6FT.De.9830.M83.

Specification

Physical Characteristics

  • Label Size: 98 mm x 30 mm x 1.6 mm / 3.85 in. x 1.18 in. x 0.062 in.
  • Face Material: White PE Foam (wax ribbon recommended)
  • Adhesive: High performance permanent adhesive
  • Release Liner: Transparent (for easy gap sensing on printers)
  • Label Pitch: 33 mm / 1.29 in.
  • Core Inner Diameter: 76 mm / 3 in.
  • Delivery Format: 1,000 pcs per reel; 100% performance checked
  • Packaging: 2,000 pcs per box
  • Part Number: RF.1.6FT.De.9830.M83

RF Characteristics

  • Air Interface Protocol: ISO 18000-6C and EPC Global Gen2v2 compliant; RAIN RFID
  • Operational Frequency (ETSI): 865–928 MHz
  • IC: Impinj M830 (Dogbone)
  • Memory Configuration: EPC 128 bit; TID 96 bit
  • Applicable Surface Materials: For application onto race timing bibs

Performance

  • Read Range in Free Air (2W ERP): 18 m / 59.05 ft
  • Read Range on Human Body (2W ERP): 4 m / 13.12 ft

Printer Compatibility

  • Compatible Printer Types: Major industrial RFID thermal transfer printers
  • Sensor Type: Gap (transparent release liner for easy gap sensing)

Installation Notes

  • Place race bib face down on a clean, flat surface
  • Peel tag from liner and place firmly at the pre-identified bib location; avoid touching the adhesive or bending the tag
  • Apply gentle, even pressure from center outward for full adhesive contact
  • Place safety pins at bib corners only; do not place safety pins over the tag

Environmental Ratings

  • Operating Temperature: -35°C to +85°C / -31°F to +185°F
  • Installation Temperature: +10°C to +38°C / +50°F to +100.4°F
  • IP Classification: IP67
  • Storage Condition: 1 year at +20°C / 73.4°F at 50% RH (adhesive shelf life)
  • Expected Lifetime: Years under normal operating conditions

Personalization Options

  • Pre-encoding: Customer-specific EPC memory encoding available
  • Customized Printing: Customer-specific artwork including logo, text, numbers, and barcodes in black

Regulatory Compliance

  • RoHS
  • RAIN RFID Alliance
  • CE
  • UKCA

Benefits

4-Metre Body-Worn Read Range for Reliable Finish Line Detection

At 4 m on the human body, the Sprintt-Slim reads consistently as athletes cross timing mats at full running speed, reducing missed reads caused by bib movement, body angle, or crowd density at high-volume race finish areas.

1.6 mm Foam Profile Stays Flat on the Bib

The PE foam construction keeps the tag flexible and flat against the paper bib surface, so athletes feel no rigid lump or raised edge during the race, and the tag does not peel or lift at the corners under sweat and weather conditions.

Transparent Liner Enables Direct Printer Encoding

The transparent release liner is engineered specifically for gap sensing on industrial RFID printers, letting race organisers print athlete numbers, barcodes, and event artwork directly onto the tag face and encode the EPC in a single printer pass without manual intervention.

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