> ## Documentation Index
> Fetch the complete documentation index at: https://docs.taxibutler.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Technical Specifications

> Find all the technical specifications for the Taxi Butler KIOSK on this page.

| <h3>**Core hardware**</h3>  |                                                                                                         |
| --------------------------- | ------------------------------------------------------------------------------------------------------- |
| **Processor**               | Octa-Core, up to 2.2 GHz (with AI acceleration)                                                         |
| **Operating System**        | Android 14                                                                                              |
| **Memory**                  | 4 GB RAM + 64 GB ROM                                                                                    |
| **Display**                 | 21.5", 1080 × 1920, 400 nit, vertical orientation, ultra-narrow bezel (14.5 mm), 10 mm thinnest profile |
| **Power Supply**            | 24V / 5A                                                                                                |
|                             |                                                                                                         |
| <h3>**Connectivity**</h3>   |                                                                                                         |
| **Wi-Fi**                   | 2.4 GHz / 5 GHz (IEEE 802.11 a/b/g/n/ac)                                                                |
| **Bluetooth**               | 5.3                                                                                                     |
| **Ethernet**                | 10 / 100 / 1000 Mbps                                                                                    |
| **Cellular**                | FDD-LTE / TD-LTE / WCDMA                                                                                |
| **SIM**                     | 1 × SIM slot                                                                                            |
|                             |                                                                                                         |
| <h3>Payments</h3>           |                                                                                                         |
| **Contactless Card Reader** | ISO 14443 Type A/B, Mifare                                                                              |
|                             |                                                                                                         |
| <h3>**Printing**</h3>       |                                                                                                         |
| **Printer Type**            | Thermal with automatic cutter                                                                           |
| **Print Speed**             | 150 mm/s                                                                                                |
| **Paper Width**             | 80 mm                                                                                                   |
| **Paper Roll**              | Φ80 mm                                                                                                  |
|                             |                                                                                                         |
| <h3>Miscellaneous</h3>      |                                                                                                         |
| **Peripheral Ports**        | USB-A 2.0 × 2 · USB-A 3.0 × 2 · RJ45 × 1 · USB Type-C × 1 (debug) · DC Charge × 1 · Pogo Pin × 3        |
| **Audio**                   | Digital audio speaker (built-in)                                                                        |
| **Environment**             | Operating temperature: -5 to 45 °C Storage temperature: -25 to 60 °C                                    |
| **Certifications**          | CE · FCC · RoHS · GMS                                                                                   |
| **Mounting options**        | Countertop installation · Free-standing pillar installation                                             |