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RF-I Transponder

by TAG Heuer

The RF-I transponder has an integrated antenna and no longer needs a support to be attached to a fork.

It can be attached to a strap thanks to an elastic joint.

Supplied with flexible fork protection joint and joint for positioning on a strap.



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The RF-I transponder is part of the active transponders. It is particularly recommended for cycling, triathlon or athletics. It can also be used for motocross, karting or supermoto if speed is not high.

RF-I transponder is the new version of the RF transponder. It is compatible and works with the RF decoder.

With its integrated antenna and small dimensions, it can be easily attached to a fork or ankle. The 2 elastic joints allow to fix the transponder to a ankle strap or to prevent the sliding on a tube.

This transponder has an integrated Lithium battery (non-replaceable).

A LED indicates proper operation of the transponder when it is activated by the loop.


  • Emission : radio waves
  • Maximum speed : 140 km/h (87 mph)
  • Maximum height of activation : 4 m (13.1 ft)
  • Maximum distance of emission : 50 m (164 ft)
  • Temperature range : -20 to 70 °C (-4 to 158 °F)
  • Dimensions : 34 x 50 x 9 mm (1.33 x 1.96 x 0.35 in)
  • Weight : 16 g (0.56 oz)


  • Lithium CR2032
  • Autonomy : 4 years minimum
  • LED blinking : 1 time during emission, 1 time every 2 min 15 s
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