# 3G

import ReaderHero from '@components/content/ReaderHero.astro';
import Country from '@components/content/Country.astro';

**Available in**: <Country code="AT" name="Austria" /> <Country code="BE" name="Belgium" /> <Country code="BG" name="Bulgaria" /> <Country code="CL" name="Chile" /> <Country code="CY" name="Cyprus" /> <Country code="CZ" name="Czech Republic" /> <Country code="DK" name="Denmark" /> <Country code="EE" name="Estonia" /> <Country code="FI" name="Finland" /> <Country code="FR" name="France" /> <Country code="DE" name="Germany" /> <Country code="GR" name="Greece" /> <Country code="HU" name="Hungary" /> <Country code="IE" name="Ireland" /> <Country code="IT" name="Italy" /> <Country code="LV" name="Latvia" /> <Country code="LT" name="Lithuania" /> <Country code="LU" name="Luxembourg" /> <Country code="MT" name="Malta" /> <Country code="NL" name="Netherlands" /> <Country code="NO" name="Norway" /> <Country code="PL" name="Poland" /> <Country code="PT" name="Portugal" /> <Country code="RO" name="Romania" /> <Country code="SK" name="Slovakia" /> <Country code="SI" name="Slovenia" /> <Country code="ES" name="Spain" /> <Country code="SE" name="Sweden" /> <Country code="CH" name="Switzerland" /> <Country code="GB" name="United Kingdom" /> <Country code="US" name="United States" />

The 3G reader is a standalone mobile reader with its own network connectivity and optional printer support.

<ReaderHero
  alt="3G card reader"
  src="/img/terminal-payments/readers/3g-2x.png"
  srcset="/img/terminal-payments/readers/3g-1x.png 1x, /img/terminal-payments/readers/3g-2x.png 2x, /img/terminal-payments/readers/3g-3x.png 3x"
  width={320}
  height={556}
/>

## Basic Information

| Category | Details |
| --- | --- |
| Device type | Standalone card reader |
| Main connections | Built-in SIM, Wi-Fi, and Bluetooth |
| Hardware characteristics | Mobile standalone reader with optional paired printer support |
| Accepted payment types | Card-present payments on the reader, including contactless and chip flows |
| Good fit for | Merchants who want standalone mobility without depending on a phone for every sale |

## Integration Compatibility

- [Android SDK](/terminal-payments/sdks/android-sdk/)
- [iOS SDK](/terminal-payments/sdks/ios-sdk/)
- [Payment Switch](/terminal-payments/payment-switch/)

## What to Expect

- The built-in SIM and Wi-Fi support make 3G more independent than app-paired readers.
- Bluetooth support is also available for connected device workflows.
- Printed receipts typically rely on the 3G printer accessory rather than the reader alone.