![Raytac CorporationBT5.2/BT5.1/BT5/BT4.2 Module MakerRaytac MDBT40 Series Module (Nordic nRF51 Solution) BT4.2 Certification Granted, nordic, raytac, Bluetooth, nRF51, nRF52, nRF51822, nRF52832, nRF52840, module, certificate Raytac CorporationBT5.2/BT5.1/BT5/BT4.2 Module MakerRaytac MDBT40 Series Module (Nordic nRF51 Solution) BT4.2 Certification Granted, nordic, raytac, Bluetooth, nRF51, nRF52, nRF51822, nRF52832, nRF52840, module, certificate](https://raytacblog.files.wordpress.com/2018/11/raytac-nrf51822-ble-module.jpg)
Raytac CorporationBT5.2/BT5.1/BT5/BT4.2 Module MakerRaytac MDBT40 Series Module (Nordic nRF51 Solution) BT4.2 Certification Granted, nordic, raytac, Bluetooth, nRF51, nRF52, nRF51822, nRF52832, nRF52840, module, certificate
![A Study on DDS-Based BLE Profile Adaptor for Solving BLE Data Heterogeneity in Internet of Things | SpringerLink A Study on DDS-Based BLE Profile Adaptor for Solving BLE Data Heterogeneity in Internet of Things | SpringerLink](https://media.springernature.com/original/springer-static/image/chp%3A10.1007%2F978-981-10-3023-9_95/MediaObjects/428328_1_En_95_Fig1_HTML.gif)
A Study on DDS-Based BLE Profile Adaptor for Solving BLE Data Heterogeneity in Internet of Things | SpringerLink
![Compact Bluetooth Compatible Module for Health & Fitness Devices -- Wireless certification and smartphone BLE tool make evaluation easy | ROHM Co., Ltd. Compact Bluetooth Compatible Module for Health & Fitness Devices -- Wireless certification and smartphone BLE tool make evaluation easy | ROHM Co., Ltd.](http://d20tdhwx2i89n1.cloudfront.net/image/upload/t_next_gen_article_large_767/ypa2fom7s3u6us5fd7eh.jpg)
Compact Bluetooth Compatible Module for Health & Fitness Devices -- Wireless certification and smartphone BLE tool make evaluation easy | ROHM Co., Ltd.
![Lesson 2 – BLE profiles, services, characteristics, device roles and network topology – Embedded Centric Lesson 2 – BLE profiles, services, characteristics, device roles and network topology – Embedded Centric](https://embeddedcentric.com/wp-content/uploads/2019/05/BLE-Communication-Options.png)