---
title: "Technology used in \"Start and Scan\" kit explained"
description: start and scan
---
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1. [Sportreact Helphub](https://helphub.sportreact.com/?hsLang=en-us)
2. [Start and Scan NFC Wristbands](https://helphub.sportreact.com/start-and-scan-nfc-wristbands?hsLang=en-us)
January 16, 2026
# Technology used in "Start and Scan" kit explained
Sportreact leverages **NFC (Near Field Communication)** technology, a type of **RFID (Radio Frequency Identification)**, to simplify and enhance the athlete data-collecting process. By tapping **NFC wristbands** on **NFC reader before each repetition**, coaches can instantly link athletes to their performance data, ensuring that reps measured by Sportreact pods, timing gates or reaction lights, are correctly and seamlessly assigned to each athlete’s profile in the app.
This article explains how Sportreact’s NFC system works, making athlete tracking faster, more efficient, and seamlessly integrated into training sessions.
**How Do NFC Readers and NFC Wristbands Work?**
NFC (**Near Field Communication**) technology allows two devices to communicate wirelessly over short distances (typically within a few centimeters). In the case of Sportreact, the **NFC reader** and **NFC wristbands** work together to identify and track athletes efficiently.
#### **1. How the NFC Reader Works**
The NFC reader is a small electronic device that scans and reads data stored on NFC wristbands. It connects to your phone or tablet via **Bluetooth** and interacts with the Sportreact app.
\- When a wristband is placed near the NFC reader, the reader detects its **unique ID**.
\- The reader then **sends this ID** to the Sportreact app, where it's automatically linked to the correct athlete.
\- This ensures all performance data is **accurately tracked and saved**.
#### **2. How the NFC Wristband Works**
The NFC wristband contains a tiny NFC chip that stores a unique identifier. It does not have a battery, as it is **passively powered** by the NFC reader’s signal.
\- When **tapped on the reader**, the wristband transmits its ID to the app.
\- The app links the wristband ID to a specific athlete, allowing for real-time tracking.
**Can the Scan and start bands be used by multiple athletes or reassigned?** Yes. If the wristband needs to be reassigned, simply tap it on the reader again and select a different athlete. The Scan and start system makes it easy to manage multiple athletes without the need for individualized wristbands.
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