Tx Junior Pro
The versatile transmitter for timing sprints and split times.
Tx Junior Pro, the essential transmitter
Versatile, compact and easy to set up, the Tx Junior Pro transmitter allows you to accurately time accelerations, sprints and split times.
It can be configured in START, LAP or FINISH mode, depending on the type of drill. Placed on the ground, at the edge of the passing zone, it emits a magnetic field automatically detected by the transponder worn by the athlete or player.
The Tx Junior Pro is particularly suited to disciplines where the athlete passes close to the transmitter : athletics, soccer and American football.
Tx Junior Pro, designed for speed sports
The Tx Junior Pro has been designed for training sessions where accuracy, simplicity and fast setup are essential.
It allows you to measure reliable times without photocells, without cables and without complex handling. Once the transmitter has been placed and configured, the athlete can focus on performance : the data is collected automatically through the Freelap system.
It can be used alone or combined with other Freelap transmitters, such as the e-Starter, Tx Pad Pro, Tx Touch Pro or Tx Pro Team, depending on the start type and the discipline.
Key strengths
Accurate
It measures performance with 0.02-second accuracy, providing reliable and actionable training data.
Compact
Lightweight and easy to carry, it can be quickly installed on a track, field or training area.
Compatible
It works with FxChip, FxChip BLE and FxMotion transponders.
Rechargeable
The Tx Junior Pro has a rechargeable battery and an automatic shut-off function to preserve battery life.
Simple and fast setup
One transmitter, several disciplines
01
Athletics
In athletics, the Tx Junior Pro is ideal for timing short sprints, flying starts, split times and speed drills.
It can be used to measure full distances or specific sprint segments. In LAP mode, it helps analyze split times and better understand the acceleration, speed maintenance or deceleration phases.
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02
Soccer
In soccer, the Tx Junior Pro allows you to measure essential physical qualities in players : acceleration, speed, change of direction and the ability to repeat short efforts, in combination with a Tx Pro Team.
It integrates perfectly into sprint drills, agility tests or soccer-specific courses. Placed on the field, it allows key passages to be timed and provides objective data on players’ performance.
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03
American Football
In American football, the Tx Junior Pro meets the needs of speed, power and agility tests used in strength and conditioning.
It can be used to time sprint drills, combine drills or agility tests, with split times when several transmitters are installed along the course.
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Technical specifications
- Weight: 250 g, with charging cable
- Dimensions: 115 x 115 x 150 mm
- Compatibility: FxChip / FxChip BLE
- Transmitter with 3 codes: START / LAP / FINISH
- Detection distance: 1.5 meters
- Minimum time between 2 transmitters: 0.7 seconds
- Accuracy: 0.02 seconds
- Battery: rechargeable 3.7 V 2 AH LiPo battery, automatic shut-off after 12 h
- Battery life: 150 hours
- Water resistance: IP67
- Operating temperature: -20°C to +50°C
User manual
Click on the video to watch the full version, duration 45 sec.