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4-inch Android NFC Smartphone with Charging Dock for Asset Tracking, Mobile Ticketing, Personnel ID Authentication, Inventory Data Capture
4-inch Android NFC Smartphone with Charging Dock for Asset Tracking, Mobile Ticketing, Personnel ID Authentication, Inventory Data Capture
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4-inch Android NFC Smartphone with Charging Dock for Asset Tracking, Mobile Ticketing, Personnel ID Authentication, Inventory Data Capture

Model: 400
4-inch Industrial NFC Smartphone is a compact powerhouse designed for professional NFC card identification and data capture. Running on Android OS, this device integrates a powerful Quad-Core CPU, 4GB RAM, and comprehensive NFC reader modes (ISO/IEC 14443/15693). It is the perfect handheld NFC terminal for mobile ticketing, asset tracking, and personnel authentication, featuring a high-density display and durable USB C charging for reliable, all-day operation.
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4-inch Android NFC Smartphone with Charging Dock for Asset Tracking, Mobile Ticketing, Personnel ID Authentication, Inventory Data Capture

Pretech ODM Capabilities for 4-inch NFC Smart Devices Solutions

Pretech is your trusted partner for ODM customization of the 4-inch NFC Smartphone. We offer flexible hardware and software modifications, including USB C dock design, RAM/storage configurations, and custom firmware development. Whether you require specific NFC reader tuning or integration with unique enterprise systems, Pretech provides a one-stop engineering solution to meet precise market needs, delivering a purpose-builtmobile NFC devicetailored to your industry.
Pretech ODM Capabilities for 4-inch NFC Smart Devices Solutions

4-inch NFC Smartphone Key Features and Functionalities

  • Advanced Dual-Mode NFC：NFC & Card Identification
    Advanced Dual-Mode NFC：NFC & Card Identification
    This 4-inch NFC Smartphone supports both NFC Reader Mode (for data capture/ID scanning) and Card Emulation Mode (for system integration), ensuring versatile operation in all industrial identification scenarios.
  • Identification Standards and Comprehensive ISO/IEC Support
    Identification Standards and Comprehensive ISO/IEC Support
    Fully supports ISO/IEC 14443 A/B, NFC Forum PCD/tag (T1T–T5T), and ISO/IEC 15693 standards, vital for reading a wide range of official and industrial smart cards.
  • Optimized Quad-Core CPU
    Optimized Quad-Core CPU
    Equipped with a Quad Core processor for efficient performance in data-intensive 4-inch NFC Smartphone applications.
  • Android OS Support
    Android OS Support
    Ships with Android 14 ready, with an optional upgrade path to Android 15, ensuring long-term security and compatibility for the 4-inch NFC Smartphone.
  • Compact 4-inch IPS Screen
    Compact 4-inch IPS Screen
    Features a high-density 3.97-inch IPS (480x800) G+F screen, providing clear visuals and a responsive 2-point touch interface in a highly portable form factor.
  • High-Speed Wireless
    High-Speed Wireless
    Integrated AC WiFi, Bluetooth 5.0, and comprehensive 2G/3G/4G Cellular support for reliable real-time data synchronization in the field.
  • USB C Charging Interface for Durability & Charging
    USB C Charging Interface for Durability & Charging
    Includes a USB C interface for use with a dedicated charging dock, offering fast, durable charging and increased device longevity compared to repeated USB insertions.
Application Scenarios: 4-inch NFC Smartphone for Data & ID
Mobile Ticketing & Access Control
Mobile Ticketing & Access Control
The 4-inch NFC Smartphone acts as a Mobile Validator, using its card identification feature to rapidly read electronic transit passes, event tickets, or staff access cards for efficient, seamless mobile ticketing.
  • Asset Tracking & Inventory Audit
    Asset Tracking & Inventory Audit
    Utilizes NFC Card Identification to quickly scan asset tags, shelf labels, or small parts. The compact 4-inch NFC Smartphone is ideal for efficient stocktaking and recording inventory status in warehouses and retail.
  • Field Service & Personnel Authentication
    Field Service & Personnel Authentication
    Used by field technicians for quick personnel ID authentication and job workflow sign-in. The integrated NFC capability of the 4-inch NFC Smartphone ensures secure access authorization and time tracking.
  • Smart Manufacturing Checkpoints
    Smart Manufacturing Checkpoints
    Deployed in factory environments for worker ID authentication, process checkpoint sign-in, and operational authorization on key equipment, improving safety and traceability within the manufacturing workflow.

Product Detail

  • Pretech 4-inch NFC Smartphone features dual-mode NFC supporting ISO/IEC 14443 and 15693 standards. This capability makes it ideal for rapid and reliable NFC card identificationin applications like mobile ticketing, access control, and reading various industrial/employee smart cards.
    Advanced NFC Card Identification
    Pretech 4-inch NFC Smartphone features dual-mode NFC supporting ISO/IEC 14443 and 15693 standards. This capability makes it ideal for rapid and reliable NFC card identificationin applications like mobile ticketing, access control, and reading various industrial/employee smart cards.
  • Industrial Durability & Connectivity
    Industrial Durability & Connectivity
    Running onAndroid 14/15with a robust Quad-Core CPU, the device offers enterprise-level performance. It features a USB C interface for durable, contact-based charging via a dock, complemented by 4G Cellularand AC WiFi for reliable, real-time data synchronization in any operating environment.
  • With its ergonomic design and a 3.97-inch IPS display, this device is built for maximum portability and one-handed operation. The compact form factor ensures ease of use for field service, logistics tracking, and mobile authentication tasks where size and mobility are critical.
    High-Mobility Compact Design
    With its ergonomic design and a 3.97-inch IPS display, this device is built for maximum portability and one-handed operation. The compact form factor ensures ease of use for field service, logistics tracking, and mobile authentication tasks where size and mobility are critical.

What We Do

We offer ODM solutions for certain customers who have specific needs which can’t be satisfied by existing devices on the market.
  • Tooling
    ID Design
    MD Design
  • Software
    Drive Debugging
    System Customization
    Debug Pre-installed applications
  • Hardware
    Schematic Diagrams Design
    PCB Layout
    Specific components design
    Bill of Materials output
    Gerber Files
    RF Design and Verification
    Assembly Drawings
    Test Specifications output
  • Accessories
    Smart Cover
    Docking Charging Station
    Charging Bracket/Dock
    Magnetic BackClip
    Wall Mount
    Stylus Pen
    And more

How We Do

We offer ODM solutions for certain customers who have specific needs which can’t be satisfied by existing devices on the market.
  • 01 Planning
    Market Survey
    Requirements Collection
    Competitiveness Analysis
    Technology Study
    Risk Analysis
    Component Life Cycle Survey
    Cost Evaluation
  • 02 Desgin
    ID Design
    MD Design
    Hardware
    OS
  • 03 Validation
    Trial Samples
    Software Customization
    Performance Tests
    Reliability Tests
    EVT
    DVT
    Certifications
  • 04 Integration
    Assembly Study and SOP
    Pilot Run Production
    Testing Process Study and SOP
    Field Test/Feedbacks
    Improvements
  • 05 Production
    Pilot Run Production
    Mass Production
  • 06 After Service
    Global Warranty
    Extended Warranty Service
    Online Service

Specification

  • CPU
    Quad Core, 1 × A75 2.0 GHz + 3 × A55 1.8 GHz
  • OS
    Android 14 ready, Android 15 optional
  • Screen
    3.97" 480 × 800, IPS, G+F, 2-point touch
  • RAM
    4GB
  • Storage
    64G
  • Camera
    None
  • Connectivity
    AC WiFi; BT 5.0; 2G/3G/4G Cellular
  • NFC Location
    Front
  • NFC Reader Mode
    ISO/IEC 14443A/B PCD (T4T & ISO-DEP)
    NFC Forum PCD/tag (T1T–T5T)
    ISO/IEC 15693 PCD
    EMVCo PCD
  • NFC Card Emulation Mode
    ISO/IEC 14443A/B PICC (EMVCo & NFC Forum)
  • Ports
    Device: USB Type-C ×1
    Dock: USB Type C for charging
  • Speaker
    Speaker x 1
  • Battery
    2500mAh

FAQs

  • Core Functionality
  • Hardware
  • Customization & Integration
  • Deployment
  • Security & Performance
Core Functionality
  • What unique features make the 4-inch Android NFC Smartphone ideal for mobile Point of Sale (mPOS)?
    This compact device is designed for ultimate portability in retail and field service. Integrated NFC enables quick Tap-to-Pay and loyalty card reading. Its 4-inch size allows one-handed operation. Crucially, the Custom Charging Dock ensures fast battery swaps or stable charging for continuous shift usage, making it perfect for Mobile Ticketing, Delivery Services, and Queue Busting in high-traffic environments across Europe and the US.
Hardware
  • What are the key specifications for performance and field durability?
    It runs on a power-efficient Android platform suitable for commercial apps. The compact 4-inch display remains readable in various conditions. Hardware supports robust battery life and includes features like GPS/A-GPS and 4G LTE for reliable connectivity in the field.
Customization & Integration
  • Can Pretech deeply integrate this device with our proprietary mPOS software and accessories?
    Absolutely. We specialize in Full ODM Customization. We can provide SDKs for seamless NFC API integration with your payment platform and customize the Charging Dock (e.g., adding proprietary connectors or external ports) to interface with your required peripherals (like mobile printers).
Deployment
  • How does the Charging Dock simplify large-scale deployment and fleet management?
    The dock is engineered for easy, organized deployment. It provides a reliable Centralized Charging Solution that reduces cable clutter and minimizes downtime between shifts. We can also provide custom firmware for easy MDM (Mobile Device Management) integration, simplifying fleet management for thousands of devices.
Security & Performance
  • What security features are built in for payment transactions and data protection?
    The device adheres to modern Android OS Security Standards vital for payment applications. We ensure secure data handling during NFC transactions and offer customizable features like System Lockdown or Kiosk Mode to prevent unauthorized application use, enhancing overall enterprise security.

Inquriy

More contact information
Email:
admin@pretech-e.com
Address:
808, 8F, Qiancheng Commercial Center, 5 Haicheng Road, Baoán, Shenzhen
TEl:
+86-755-23051989
(86) 13129558030
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