RFID reader ID-20LA - 125kHz - SparkFun SEN-11828*

Easy to use reader with integrated antenna, allowing to receive and transmit through the serial interface to the main device (e.g. Arduino), the ID of the RFID identifier. System dimensions: 40 x 38 mm, it does not require connecting the external antenna, the maximum reading distance is 180 mm.

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In stock, shipping 24 hours!

Price 178,90 zł


RFID is a standard of a wireless, contactless transmission used for identification of objects equipped with appropriate identifiers. ID-3LA module is easy to use reader that allows you to receive and transmit to the main device (e.g. Arduino or Raspberry Pi) ID of the identifier system, for example: pills, capsules or cards. The system has a built-in antenna, the communication is via the serial interface (TX-RX pins). The output data is a chain of data (serial string) containing the ID of the device.



  • Supply voltage: 2.8 V - 5 V
  • Carrier frequency: 125 kHz
  • Reading distance: up to 180 mm
  • Standard: EM4001 ISO RFID IC
  • Communication: serial interface TTL-and RS232 - 9600 bps
  • Built-in antenna
  • Terminal pitch: 2 mm
  • Dimensions: 40 x 38 x 7 mm


Details in the documentation.



In our offer is also USB module for RFID readers.



The film shows how to connect RFID systems, conducted were also the range tests of RFID readers and identifiers from SparkFun.


The film, made by the SparkFun, introduces the capabilities of the product.

  • Frequency from 125 kHz
  • Frequency to 125 kHz


Posting the payment for the order on our account on a business day up to 13:00 means sending the goods on the same day!


The time of payment depends on the hours of ELIXIR session of the sender's bank and the recipient of the transfer (more information on this subject, for example on the website


The table presents available forms of delivery in Poland


Carrier and

Bank wire

by cash


Poczta Polska

terms of service

9,90 PLN17,90 PLN1-3 days

Kurier GLS

terms of service

14,90 PLN22,90 PLN

1-2 days

Paczkomaty 24/7 

terms of service

12,90 PLN-1-3 days

If the amount to pay for products exceeds 500 PLN
Delivery is for free!


  • Free delivery of orders over 500 PLN does not apply to parcels addressed outside of Poland.
  • Free delivery does not apply when changing orders.
  • The delivery period is counted in working days from the date of dispatch of the order.