# Contactless Card Distance

### Overview

This section outlines the effective reading distances for contactless cards when used with different models of Smart POS terminals.

### Reading Distance Specifications

* Model Q1:
  * Effective reading distance: 0 to 2 cm.
* Model Q2:
  * Effective reading distance: 0 to 4 cm.
* Model Q3:
  * Effective reading distance: 0 to 4 cm.

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**Note:**

* These distances represent the maximum range at which the POS terminal can successfully read a contactless card.
* Users should ensure that the card is within this range for optimal functionality and transaction processing.
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