Radio module - RFM12B-868S2 868MHz - SMD transceiver*

Wireless radio module working on frequency of 868 MHz with the SPI communication interface. Powered with the voltage of 2.2 V to 3.8 V, surface soldered. Max. power of the receiver is 4 dBm,  its sensitivity is -105 dBm.

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In stock, shipping 24 hours!

Price 13,93 zł

Reduced price!


19,90 zł

Bezprzewodowy moduł radiowy RFM12BSpecification

  • Power supply: from 2.2 V to 3.8 V
  • Type of modulation: FSK
  • Frequency Range: 868 MHz
  • Interface: SPI
  • Transmitter power: 4 dBm
  • Receiver sensitivity: -105 dBm
  • Data transfer speed: ≤ 256kbps
  • Dimensions: 16 x 16.5 mm
  • SMD case

For users of the Arduino, available is a library facilitating the use of the RFM12B modules.


  • Frequency from 868 MHz
  • Frequency to 868 MHz


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.