Desktop RFID USB tag reader

USB Desk is a small desktop reader powered directly by the USB port. The configuration software offers the user with extensive code modification options.

Preview

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Highlights

The reader, depending on the version, supports the following transponders:

For the 125kHz Unique standard, a pocket, USB stick form factor version of the reader is available: RFID USB Pocket.

The reader connects to PC via a USB cable. Power for the device is also supplied over USB.

The product operates on the basis of CDC and HID class of USB interface. Software supplied with the device ensures quick and easy configuration.

Technical characteristics

Power supply

  • USB 5V (USB port)

Transponders

  • Reading distance: approximately 8 cm,
  • Frequency: 125kHz or 13.56MHz (depending on the version).

Communication takes place via a USB port. Reader operating modes:

  • HID – keyboard emulation mode,
  • CDC – virtual serial port mode,
  • WebUSB API – for use with web applications.

Dimensions: height: 22mm, width: 57,5mm, length: 91,3mm.

Useful functions

UID format

The user can set a Prefix and Postfix code and select the format of the card code from the several available:

  • Binary – sequence of bytes read directly from the card. This format is used almost exclusively in the virtual COM port mode.
  • HEX LowerCase Letter – received code is converted to hexadecimal (HEX) with lowercase letters: 1a2b3c4d5e.
  • HEX UpperCase Letter – received code is converted to hexadecimal (HEX) with uppercase letters: 1A2B3C4D5E.
  • HEX UpperCase Letter Minus – received code is converted to hexadecimal (HEX) with uppercase letters. Between the bytes, a “-” character is introduced: 1A-2B-3C-4D-5E.
  • HEX UpperCase Letter Space – received code is converted to hexadecimal (HEX) with uppercase letters. Between the bytes, a space character is introduced: 1A 2B 3C 4D 5E.
  • Decimal – the code is presented in decimal format: 112394521950‬ (1A2B3C4D5E).
  • ASCII – converts the code to ASCII characters: +<M^ (1A2B3C4D5E).

Read Delay

The Read Delay option allows to define the time after which the next transponder can be read:

  • Only new TAG – the same tag is read after the specified time passes, while a new transponder will be read immediately,
  • No delay – reads the next transponder every 0,5 seconds,
  • User defined – the user specifies the delay time that will be used for each transponder.

Code alignment

A Prefix or Postfix can be introduced. As a result, the reader can be programmed to modify the code read from the transponder:

  • 1A-4D-1E-1B-11 (no prefix or postfix),
  • 1A-4D-1E-1B-11 <ENTER> (ENTER key postfix),
  • <TAB> 1A-4D-1E-1B-11 (TAB key prefix),
  • <TAB> 1A-4D-1E-1B-11 <ENTER> (TAB prefix and ENTER key postfix).

Integration

The USB Desk Reader can also be integrate with user’s own software through the use of CDC mode (virtual serial port). This mode allows the software to take complete control over the device – each LED or the buzzer can be lit or ran individually. After applying the transponder, the data will be automatically sent to the serial port. As a result, in a very simple way the user can create an application that awaits the transponder application and depending on the read code, generates an appropriate buzz: acceptance or rejection.

Device applications

The reader, in cooperation with programs running on Windows or Linux OS can be used in variety of applications:

  • wherever there is a need for frequent loging in numerous users to a single computer,
  • to quickly identify rental equipment,
  • in veterinary surgeries,
  • clubs, loyalty systems.

The front label of the device can be customised per customer request.