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NFC RFID Reader Writer - Base HD Access Control Card Programmer with Relays - µFR SDK compliant

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NFC RFID Reader Writer - Base HD Access Control Card Programmer with Relays - µFR SDK compliant is available to buy in increments of 1

Base HD - RFID NFC Reader

Access Control & Time Attendance RFID NFC Reader

Base HD is one of our all-around NFC RFID Readers which implements the best from our development tools (µFR Series) and adds time attendance and access control functions.
What sets this device apart from our other devices is the fact that it can operate up to 320 meters away from the PC without an additional power supply, powered only through the PC’s USB port.
It uses RS-485 communication protocol which is totally transparent to the system and user, which results in the fact that this reader can be used exactly the same way as the standard uFR Classic NFC RFID reader writer.
The same Software Development Kit API functions, drivers, and protocol can be used.

Base HD is a low-power RFID device and it uses only +5V USB power for operation.
An intermediate transceiver device converter for USB/RS-485 is included in the package.

Base HD also has built-in relays so that they can be triggered by software, for example, to lock or unlock the door lock mechanism. 
Base HD is an NFC-compatible Contactless Smart Card and Tag RFID Reader Writer-programmer intended for use with MIFARE® and other ISO14443A/B compatible cards, tags, keyfobs, stickers, and wristbands. 
Base HD - NFC Reader Writer fully supports both 4-byte and 7-byte card UIDs and anti-collision mechanisms. It also supports NFC Forum Type 2 cards and tags like NTAG and Ultralight® family.
The package contains a fully featured SDK API with examples, libraries, development tools, and software for everyday use. Libraries for Windows ("*.dll") and Linux ("*.so") OS platforms are also included. The reader acts as a serial interface device, so it is visible on each platform. It is successfully implemented on Mac, Raspberry Pi, BeagleBoard, and Android OS (up from the 3.2 Honeycomb version). 

Operating modes

Base HD NFC RFID Reader Writer can work in two basic modes: autonomous and non-autonomous.

In non-autonomous mode device acts as all other readers from the uFR series, like Classic, Nano, and Advanced. The same protocol, libraries, Software development kit API, and examples are used for this purpose.

A significant difference is that Base HD devices can work on installations where long cable runs are a must. So, for example, you can establish a PC-Base HD communication link with a 320m (1000) ft cable using only USB power.

In addition, the Base HD RFID NFC Reader has a built-in access control IO module, which has the following functionalities:

  • Door strike lock contacts
  • Push to open button contacts
  • NO & NC relay contacts
  • Door state contact inputs

When used in autonomous mode, the device can act independently, without the connection to the host. Only a USB or other type of power supply is needed (5V DC).

The device stores card-related events in non-volatile memory. Each event is sent asynchronously to the host as a Real-Time Event (RTE).

The device can store up to 16384 separate events. After its buffer is overflowed, it starts to erase the oldest events in order to free memory for new forthcoming events.

Software packages and documentation are available for free download at our official website.
More Information
Hardware upgrades RTC, EEPROM, Relay, RJ485
Technical Specification


    • Identity verification, data exchange & contactless transaction
    • Valid for the binding device to software license
    • Supporting multiple OS (Win, Linux, Android)
    • USB compliant interface
    • Operating Frequency: 13.56MHz
    • Proximity read/write speed up to 424 kbps
    • Built-in antenna for contactless tag access, with a reading distance of up to 60 mm
    • Supports MIFARE® and other ISO 14443 Type A/B
    • Supports ISO18092 NFC tags
    • Built-in anti-collision feature
    • RFID Reader locking by passwords and keys
    • Application Programming Interface:
    • Virtual COM through FTDI
    • User controllable LEDs
    • Three-year warranty


Size & Weight 
Model Dimensions (mm) Device Commercial Set
Base HD 86 x 54 x 9 150 g 311 g
Feature Description
Operating frequency  13.56 MHz
Read range The operating distance is 20-80mm (0,78”-3,15”), depending on the antenna geometry and reader configuration
Supported cable length  Up to 320 meters (1050 feet)
Supply current  150mA (operating)
Supply voltage  5V
Supported cards and tags MIFARE® familyMIFARE Mini®, MIFARE Classic® (1K, 4K, EV1), MIFARE Ultralight®, MIFARE Ultralight C®, MIFARE PLUS® (2K, 4K), MIFARE DESFire® (Light, 2K, 4K, 8K, EV1, EV2)


NTAG® family: NXP NTAG® 2xx Type 2 (210, 213, 215, 216 Tag Tamper), NXP NTAG® 4xx DNA Type 4 (413, 424)

SmartMX® family: NXP JCOP® Java Card (J3A040, J3A081, J3H145, JC30M48CR)

Connection and power supply  USB port
Software Library and SDK for Java, Java Applet, JavaScript, Node JS extensions, Lazarus, Borland Delphi, C, C + + Builder, C++ WxWidgets, Microsoft® Visual C++ .NET, Microsoft® Visual C #, Microsoft® Visual Basic .NET, PHP, Python, and Arduino IDE examples
Supported Operating Systems Microsoft® Windows™, Linux®, macOS, Android
Smart Card Interface  ISO14443 Type A & B, ISO18092 
Built-in components  Buzzer, Real-Time Clock (RTC), EEPROM, Relay
Accessories Cards, key-fobs, labels, wristbands, tags


Software Support

  • NFC cards and tags for reading/writing (programming) 
  • NFC NDEF Record writing: MIME types, URI types, vCard, SMS, Phone, URL
  • Card formatting
  • Card linear space emulation
  • Card block direct access
  • Card sectors and blocks indirect access
  • Card Keys and Access Bits management
  • Block values management (increment/decrement)
  • Asynchronously sending of Card UID to COM port (feature programmable)
  • DES and 3DES Software Encryption
  • Optional APDU structure (application protocol data unit) with examples of Credit Card use in public data reading
  • Shell-like environment for easy testing and automation
  • Web browser extensions for Chrome, Firefox, and Opera
  • Digital Signing source code examples: contactless signing of digital documents with PKI (public key infrastructure) certificates
SDK contains many examples with source code provided for the following programming languages:
    • Java,
    • Java Applet,
    • JavaScript,
    • Lazarus,
    • Borland Delphi,
    • C++ Builder,
    • Microsoft® Visual C++ .net,
    • Microsoft® Visual C #,
    • Microsoft® Visual
The software package includes a set of beneficial applications intended for everyday use, like:
    • Application for programming and manipulation of NFC-compliant cards like NTAG and MIFARE Ultralight®, with source code, included.
    • Android NFC phone App - Android NFC phone Application for MIFARE® card reading. Write a card with uFR, and read it with an NFC phone!
    • Card Formatter - application for card/tag formatting and programming
    • uFR2FileSystem - keyboard simulation, card data reading, card data parsing into several formats, and sending data to MySQL database via HTTP.
    • Application for NTAG and MIFARE Ultralight® card programming and manipulation.
    • Application for creating and writing common NDEF messages into NFC tags and cards.
Our support team provides quick responses and custom solutions based on each customer's needs.
Packaging & Delivery

Package content

1 x BASE HD Reader Writer

1 x USB B Cable

1 x Cat5E patch cable

1 x USB/RS-485 transceiver converter

Other optional equipment



Software Support Software Development Kit (SDK), Executable Software Tools, Hardware-Integrated Software, Open-source Software Support, Updateable Firmware, Dedicated Libraries
Development kit No
Manufacturer Digital Logic Ltd
Brand Digital Logic Ltd.
Device housing type Device default housing
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RTC, EEPROM, Relay, RJ485
Software Development Kit (SDK), Executable Software Tools, Hardware-Integrated Software, Open-source Software Support, Updateable Firmware, Dedicated Libraries