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.

New Distributor Announcement (Russia) - PR Electronics

Raytac is glad to announce that we has expanded our distributor network to CIS Countries (Russia), Ukraine, Latvia, Lithuania.The distribution agreement covers sales, marketing, and support for Raytac Corporation’s full range of Modules lines, including Nordic’s proven nRF51 Series, nRF52 Series, and nRF52840 in the territory.

PR Electronics is a Distributor of Electronic components and Modules

with offices in Russia and Belarus. The company now has 51 employees and 4 sales offices.

Key market segments: Automation, POS terminals and vending systems, Telecommunications, Security systems, Medical, Navigation.

• Management: ISO 9001:2015 qualified
• Stock maintenance: Reliability and flexibility
• Add-on financial logistics
• Experienced sales team with technical background
•  Quick technical support through trained FAEs

With recent solid demand and positive feedback receiving from market, we strongly believe that IoT is the future to enhance people's life. 

With PR Electronics's join of Raytac's module distribution network, we truly expect he complementary of network portfolio can bring the opportunity and competitive advantage along with a speedy and convenient accessibility for developers.

PR Electronics

Contact: Pavel Lyashenko

Tel: +7 (499) 500-56-40 
Телефон/Факс: +7 (499) 500-56-40

Fax: +7 (495) 937-13-27

Email: lyashenko@premier-electric.com

Website: www.prelectro.com

Address: Andronovskoe Roadway, 26, Moscow 111024 Russia

                  111024 г. Москва, Андроновское шоссе 26
спецификации Bluetooth Core  под версией 5
спецификации Bluetooth Core  под версией 4.2
спецификации Bluetooth Core  под версией 4.1

Raytac Corporation 勁達國際電子有限公司

A BT5 & BT 4.2 & BTv4.1 module maker based on Nordic nRF51 & nRF52 solution 

(nRF51822 & nRF51422 & nRF52832 & nRF52810 & nRF52840)

www.raytac.com          email: cs@raytac.com          Tel: +886.2.3234.0208

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Raytac Laser

Raytac MDBT40 Series Module (Nordic nRF51 Solution) BT4.2 Certification Granted

With coming depreciation and withdraw of Legacy Bluetooth Core Specification Version, BT4.1/BT4.0 has been defined to be withdraw in 1 July, 2020, which covered Nordic's nRF51 series solution (Raytac MDBT40 series module).

Bluetooth SIG Announces Deprecation and Withdraw of Legacy Bluetooth Core Spec Version

To resolve this issue, Raytac has updated the MDBT40's Bluetooth specification to BT4.2 with DID: D042310. Raytac MDBT40/MDBT40-P/MDBT40-n designed based on Nordic nRF51xxx SoC with integrated Bluetooth 4.2, Bluetooth 4.1, and Bluetooth 4.0 stack. MDBT40/MDBT40-P/MDBT40-n module incorporates: GPIO, UART, SPI, I2C, and ADC interfaces for connecting peripherals and sensors. The modules are all FCC/IC/Telec/CE/KC/SRRC/NCC/ANATEL/RCM pre-certified (MDBT40-P includes CNC/IFETEL), which can speed up customers'  easy hardware design, reduce BOM cost, and enhance Time-To-Market efficiency

The granted BT4.2 DID includes not only basic GATT, RF PHY and Link Layer, but also a completed coverage of BLE software stack: Proximity Profile; Heart Rate Profile; Health Thermometer Profile; Blood Pressure Profile; Running Speed & Cadence Profile; HID Over GATT Profile; Alert Notification Profile; Glucose Profile; Cycling Speed & Cadence Profile ; Mesh Profile which fully support customers to suit the needs of any application!     

Raytac Corporation 勁達國際電子有限公司

A BT5 & BT 4.2 & BTv4.1 module maker based on Nordic nRF51 & nRF52 solution 

(nRF51822 & nRF51422 & nRF52832 & nRF52810 & nRF52840)

www.raytac.com          email: cs@raytac.com          Tel: +886.2.3234.0208

Bluetooth SIG Announces Deprecation and Withdraw of Legacy Bluetooth Core Spec Version

Bluetooth SIG announced the deprecation and withdrawal of older versions of the Bluetooth Core Specification.

Bluetooth SIG has policy in place to introduce the deprecation and withdraw process for older testing specification, listing procedure and core specification.

For core specification placed into withdrawn status, it will not be allowed to use the withdrawn version anymore. Any product wishes to qualify the Bluetooth Design under this deprecated version must pay additional deprecation fee.

Please refer to the revised plan and schedule summarized as below,
1.     Withdrawal of the following on January 28, 2019:

Bluetooth Specification Version 2.0 + EDR

2.     Deprecation of the following on January 28, 2019 and withdrawal on July 1, 2020:

Bluetooth Specification Version 2.1 + EDR

Bluetooth Core Specification Addendum 1

Bluetooth Specification Version 3.0 + HS

Bluetooth Specification Version 4.0

Bluetooth Core Specification Addendum 2

Bluetooth Core Specification Addendum 3 revision 2

Bluetooth Core Specification Addendum 4

Bluetooth Specification Version 4.1

Nordic's information about Bluetooth Core Specification's Impact!

What impact does the deprecation and withdrawalof Bluetooth Core Specification V4.0 & V4.1 have on your current and futureproducts? (Quoted from Nordic Blog)

Raytac Corporation 勁達國際電子有限公司

A BT4.1 & BT 4.2 & BT 5.0 module maker based on Nordic nRF51 & nRF52 solution 

(nRF51822 & nRF51422 & nRF52832 & nRF52810 & nRF52840)

www.raytac.com          email: cs@raytac.com          Tel: +886.2.3234.0208

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Raytac Laser

RaytacモジュールがChip１Stopでご購入頂けるようになりました

Raytac　BT5/BT4.2モジュールと開発キットは、より開発者様へお手軽にご購入頂けるように、

この度Chip1Stop（母体：アロー・エレクトロニクス）にて取扱を開始してもらう事になりました。

IoTやBluetooth low energyに興味がある方は

是非下記リンクより覗いてみてください。

https://www.chip1stop.com/view/searchResult/SearchResultTop?keyword=raytac&zaikoFlg=false&partSameFlg=false

Raytac（台湾）はNordicにおける最も重要なサードパーティーモジュールメーカーの一つとして紹介されており、

世界各国へ数多くのBLEモジュールを供給しているあなたのパートナーです。

Raytacチームの情熱が作り出した認証付モジュールがお客様へ利益の最大化をもたらします。

Bluetooth QDID 取得済みモジュール: 

BT4.1:  MDBT40 シリーズ

BT5 & BT4.2: MDBT42Q / MDBT42 / MDBT42V

各国電波安全認証関係

FCC (USA)

IC (Canada)

CE (EU)

MIC Telec (Japan)

KC (Korea) 

SRRC (China)

NCC (Taiwan)

Raytacの最大のミッションはお客様の開発負担の軽減、プロジェクトの加速、プラグ＆プレイのような簡単に搭載できるモジュールを作り続けることです。

Raytac Corporation 勁達國際電子有限公司

A BT4.1 & BT 4.2 & BT 5.0 module maker based on Nordic nRF51 & nRF52 solution 

(nRF51822 & nRF51422 & nRF52832 & nRF52810 & nRF52840)

www.raytac.com          email: cs@raytac.com          Tel: +886.2.3234.0208

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Raytac Laser

Raytac Module Now Is Available in Chip 1 Stop

To provide developers a quick access of Raytac BT5 / BT4.2 modules, Raytac announced the corporation with OneChipStop, an Arrow company, have modules and development kit listed.

We encourage customers who is interested in IoT and Bluetooth Low Energy may visit below link for more information.

https://www.chip1stop.com/USA/en/view/searchResult/SearchResultTop?keyword=raytac&zaikoFlg=false&partSameFlg=false

Raytac is one of the most important 3rd party module maker listed in Nordic’s list located in Taiwan,  also the one of the biggest module supplier all over the world.

With the passion Raytac's team possessed, the effort is aimed to create the maximum benefits contributes by pre-certified modules.

Bluetooth QDID Granted: 

BT4.1:  MDBT40 Series

BT5 & BT4.2: MDBT42Q / MDBT42 / MDBT42V

Regional RF Safety Regulation

FCC (USA)

IC (Canada)

CE (EU)

MIC Telec (Japan)

KC (Korea) 

SRRC (China)

NCC (Taiwan)

To easy developers's work, speed up the project schedule, lower down the total budget by deploy the module built in products just like a plug and play components is always the ultimate mission Raytac would like to dedicate to all developers.

Raytac Corporation

A BT 4.0 & BT 4.2 & BT 5.0 module maker based on Nordic nRF51 & nRF52 solution 

(nRF51822 & nRF51422 & nRF52832 & nRF52810 & nRF52840)

www.raytac.com            Tel: +886.2.3234.0208

email: service@raytac.com

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Raytac Modules All Made In Taiwan ~ The Best Way To Escape From Trade War

All Raytac's modules are designed, manufactured, and shipped from Taiwan, which is the best shelter from the trade war.

The emerging trade brawl between the United States and China has raised most customers' worry. The trade standoff has become more heated in recent days by raising tariff imposed by US government.
Most US customers now are really worried about the current business is highly risk exposure under the conflict.

Raytac Corporation, unlike other modules suppliers has factory or OEM or shipped from China, but All Raytac's modules are Made In Taiwan and Shipped from Taiwan!

Raytac provides all series of Nordic nRF51 & nRF52 solution with different form factor pre-certified modules. With a strong and professional wireless technology background, Raytac has drew the highest attention and reputation in IoT field among Bluetooth Low Energy (Aka BT5, BT4.2. BT4.1 & BT4.0) and IEEE 802.15.3.

Are you still worried about the ramping up trade war in terms of tariff damages the competitive advantage of your company and products?

Why not take a look of Raytac's module to escape from the business risk!

Raytac Module Spec Sheet Summary

http://raytaccorp.blogspot.tw/2017/07/raytac-bluetooth-module-line.html

Raytac Corporation

A BT 4.0 & BT 4.2 & BT 5.0 module maker based on Nordic nRF51 & nRF52 solution 

(nRF51822 & nRF51422 & nRF52832 & nRF52810 & nRF52840)

www.raytac.com            Tel: +886.2.3234.0208

email: service@raytac.com

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Raytac nRF52810 Module Incorporated AT Command Over UART Service (NUS) Coming Soon!

UART Service (NUS) is the most convenient and common Bluetooth Lower Energy proprietary service for all developers.

Raytac has introduced NUS (UART) BT4.2 and BT5 solution in previous article.

Nordic nRF52810 UART service (NUS) Solution (Raytac Module: MDBT42Q-192K)

nRF52 series SoC has below features rather than nRF51

1. nRF52 supports Longer Package MTU
  (500 Bytes for Baudrate 9600 / over 10K for 115200 or 230400)

2. nRF 52 has over 10 times higher transmission speed than nRF51

3. nRF52 only needs 1/10 (or less) transmission time  than nRF51

Raytac has been hearing from developers about the demand of AT command over UART service based on Nordic Solution.

Learnt from customers' feedback, Raytac realized that Long Package MTU is the recent critical demand for all customers and IoT applications.

As such, Raytac hardware team has selected Nordic nRF52810 solution , powered by firmware design team to develop a coming AT Command Over UART Service Solution.

The features of the AT Command Over UART solution not only brings a cost effective module, but an easy and user familiar method enables an easy and time-to-market efficiency.

Nordic nRF52810 module part no.

MDBT42Q-P192K (PCB Antenna Version)

MDBT42Q-192K (Ceramic Antenna Version)

Raytac Corporation

A BT 4.0 & BT 4.2 & BT 5.0 module maker based on Nordic nRF51 & nRF52 solution 

(nRF51822 & nRF51422 & nRF52832 & nRF52810 & nRF52840)

www.raytac.com            Tel: +886.2.3234.0208

email: service@raytac.com

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