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RF-S Transponder

by TAG Heuer

The Protime RF-S Transponder is dedicated to timing in harsh environments. It is the ideal solution for overcoming noise which causes other timing systems to fail to detect the transponder.

The RF-S Transponder is ideal for athletics due to it's thin form factor.



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The RF-S transponder is particularly recommended for athletics because of its small size. It is also an active chip that uses a robust radio protocol for communication, making for an all-round reliable and accurate transponder.

With its small dimensions, it can easily be placed on the back of the bib, around the wrist or leg without hindering the competitor.

The transponder comes with a non-replaceable lithium battery.


  • Emission : radio waves
  • Maximum speed : 140 km/h (87 mph)
  • Maximum height of activation : 4 m (13.1 ft)
  • Maximum distance of emission : 200 m (656 ft)
  • Temperature range : -20 °C to 70 °C (-4 to 158 °F)
  • Dimensions : 42 x 43 x 6 mm (1.65 x 1.69 x 0.23 in)
  • Weight : 12 g (0.42 oz)


  • Lithium CR2032
  • Autonomy : 3 years


  • 1 year
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