Quick Searches

USB relay
  LPT relays
  RS485 relays


New Products

Relay Controller-WB8CR

Relay Controller-WB8CR

Price: €1,250.00


Price: €299.00
5xUDP4D 10xUDP8D

5xUDP4D 10xUDP8D

Price: €950.00

Latest News

To all customers and suppliers,
With reference to the current international health situation we confirm the normal activity of our company. There will be no delay in shipments and the workflow will remain as it has been.
We hope that you all are in good health and that the situation will be resolved as soon as possible.

USB RFID 125 kHz Access Control Reader Module

A low-cost solution to read RFID 125 kHz transponder tags and cards. The USB RFID Reader can be used in a wide variety of hobbyist and commercial applications, including access control, automatic identification, payment systems....
  • Code: SS_USB_RFID
  • Manufacturer: KMtronic
  • In stock: 1575

Price: €24.00


• Fully assembled and tested.
Powered from USB
Communication: 9600 bps serial through virtual USB COM port
LED and Buzzer indication
The RFID reader is designed to work with all EM41xx/EM42xx family 125 kHz RFID tags including cards, buttons, capsules, disks, key fobs, and other compatible chips
• FT232RL chip for USB to Serial converter

- One USB RFID Reader
- One RFID Blue Eye Key Fob Tag
- Two EM4200 ISO RFID cards

92 mm / 58 mm / 22 mm

  Read Distance:
0 ~ 7 cm (dependant on tag)

  Typical Applications:
      - Access control
      - Automatic identification
      - Robotics
      - Inventory tracking
      - Payment systems
      - Industrial automation


User Manual -

Drivers -

  Drivers are available to work with the following operating systems:
Windows 11, Windows 10, Windows Server 2008 R2, Windows 7, Windows 7 x64, Windows Server 2008,
Windows Server 2008 x64, Windows Vista, Windows Vista x64, Windows Server 2003,
Windows Server 2003 x64, Windows XP, Windows XP x64, Windows 2000, Windows ME,
Windows 98, Linux, Mac OS X, Mac OS 9, Mac OS 8, Windows CE.NET (Version 4.2 and greater)

  Communication Parameters:
8 Data, 1 Stop, No Parity
Baud rate : 9600

3 bytes tag number in HEX format
Example number:  A3E142
Converted in DEC format is 0010740034

Note: We have also a version with ASCII output, contact us at




Additonal information

  Payment accepted:
Credit Card payments, PayPal

Bank Wire Transfer

We ship WORLDWIDE through TNT.

  Import duties, taxes and charges are not included in the item price or shipping charges. These charges
are the buyer's responsibility. Please check with your country's customs office to determine what these additional
costs before you purchase.

Shopping Cart

Cart is empty.



Local Time


Work time
Monday - Friday
9.00am - 5.00pm





Technical support


Recently Viewed