Race number Bib with 1 integrated UHF foam transponder

rfid sport timing solutions

Number bib + 1 UHF Foam transponder, a fantastic cost-effective solution for race timing

SIVA’s Tyvek number bibs are supplied with crisp 4c & variable data printing. The bibs feature punched out holes on all 4 corners for easy application onto the participant. Tear-proof, waterproof, stretch resistant, flexible & durable, the SIVA’s Tyvek number bibs are the most popular choice for any sporting event.

Bibs offered in 2 size options: 152.4 / 228.6mm x 210mm dimensions

A RAIN(UHF) passive Foam transponder is attached to the back of the number bib, which sends out a unique signal, which enables the system to identify the athlete and record their respective times. The RAIN(UHF) passive foam transponder comes printed & encoded and the Number bibs are supplied with the foam transponder duly applied on the reverse side of the bib, so that the bibs are ready for use, straight out of the box (no assembly required).

This whole offering is designed for one-time use only and can be disposed of after the event or taken home by participants as a souvenir.


  • Marathon and Ultrathons
  • Sprint Races