Product Change Notice (PCN-26041701) on Raytac MDBT40 module's Chip Antenna Replacement

  New Taipei, Taiwan / Los Angeles, USA, 04/23/2026

Raytac announces a Product Change Notice (PCN-26041701) for below modules, change effective on the Date Codes stated within.

Device Affected:
1. MDBT40-256RV3: 618 and after
2. MDBT40-256V3: 618 and after

The supplier(of the original chip antenna) notified Raytac in March 2026 that the original chip antenna has reached its end-of-life (EOL) status, thus the introduction of an alternative(new) chip antenna from the same supplier to ensure long term supply continuity.

There are no changes on Form, Fit, Function, and Quality of Reliability.  Only change in Chip Antenna Appearance.

Upon receiving this notice, our R&D team promptly conducted comprehensive validation. The results confirm that there is no impact on RF performance, EMC compliance, or related certifications. 

In conclusion, all existing certifications and technical documentations remain valid.

The change is already effective as the existing inventory of the original chip antenna has been depleted. All production batches are already using the new chip antenna.

We kindly invite our customers, distributors, and partners to update your records accordingly.
For any questions or support, and further document requests regarding this update, feel free to reach out to Raytac Sales Team via: sales@raytac.com.

Raytac Product Change Notice (PCN) Announcement for nRF51822 Series Modules

Raytac would like to announce Product Change Notice (PCN-20120101) for modules built by nRF51822 SoC (Version 3) includes part no.: MDBT40-256V3 / MDBT40-256RV3/ MDBT40-P256V3 / MDBT40-P256RV3.

The major description of this PCN is refer to the update of marking on the shielding case. Apart from the appearance change herein,  there is no further function, quality or safety regulation is affected. 

Raytac Corporation 勁達國際電子有限公司

A BT5.2 & BT5.1 & BT5 module maker based on Nordic nRF52 & nRF51 solution 

(nRF5340 & nRF52840 & nRF52833 & nRF52832 & nRF52820 & nRF52811 & nRF52810 & nRF52805 & nRF51822)

www.raytac.com

email: sales@raytac.com

Tel: +886.2.3234.0208

MDBT40 / MDBT40-P Spec Sheet Updated

MDBT40 & MDBT40-P Specification Sheet has updated to A5 version

Customers and developers are welcome to download from below link

http://www.raytac.com/download/MDBT40/MDBT40%20spec-Version%20A5.pdf

Raytac Product Change Notice (PCN) Announced for MDBT40 / MDBT40-P Series Module

Raytac Corporation

Bluetooth module maker based on Nordic nRF51 & nRF52 solution 

(Nordic nRF51822 & nRF51422 & nRF52832 & nRF52840)

Bluetooth Specification Version: BT4.0 & BT4.1 & BT4.2

www.raytac.com

Tel: +886.2.3234.0208

email: service@raytac.com  

 https://raytacblog.wordpress.com/

Dear Customers,

Raytac would like to announce Product Change Notice (PCN) for MDBT40 & MDBT40-P series module.

As MDBT40 /MDBT40-P Series module KCC (Korea) safety regulation granted. 

There is a need to have KCC marking on shielding case to comply the Korean law.

All components, layout, performance remain the same. Customer no need to change anything.

The only changing is to have KCC (Korean RF safety regulation) marking onto shielding case.

The change started from module produced from 2017 (Date Code started from 7XX)