Bluetooth 4.0 Communication Module with nRF51822 - Waveshare 10649

Bluetooth audio receiver module enclosed in a housing that enables wireless transmission of sounds. It is equipped with a PCB antenna and a 3.5 mm audio jack

KAmodBT-HC05 is a Bluetooth module configured via AT commands. It has integrated LEDs indicating operating mode and connection status with the paired device, as well as a logic level translator on UART lines. KAmodBT-HC05

Board with Bluetooth HC-06 module, RoHS

A compact development board that uses the ESP32-PICO-MINI chip. It provides wireless communication via Bluetooth and serves as an easy-to-configure UART converter. It has a built-in PCB antenna. SparkFun WRL-23287

Evaluation Kit with Bluetooth 5.0 BT401. It is equipped with a microSD slot, microUSB connector and two audio outputs. DFRobot DFR0782

Bluetooth 5.2 and IEEE 802.15.4 communication kit. It uses the STM32WB55RG microcontroller (1 MB Flash, 256 KB SRAM, ARM® Cortex®-M4 and Cortex®-M0 +). STMicroelectronics NUCLEO-WB55RG

An integrated module combining WiFi, Bluetooth 4.0 and FM radio. It has derived SDIO, UART and PCM interfaces. Ampak AP6335

Adafruit 2269 - Bluefruit LE Sniffer - Bluetooth Low Energy (BLE 4.0) - nRF51822 - v1.0

The Vtec by BLOW Bluetooth 4.0 OBD2 diagnostic interface is an advanced tool for monitoring vehicle parameters and diagnosing faults. It allows reading and deleting errors, analyzing performance and controlling engine operation in real time. Thanks to its compatibility with Android, iOS, Windows and MacOS systems and support for popular diagnostic applications, it is a convenient solution for every driver who cares about the technical condition of their vehicle. Vtec iTRON by BLOW

Intel\'s AX210 wireless communication module. It supports 802.11AX Wi-Fi Generation 6E and Bluetooth 5.2, and comes with an M.2 A/E Key connector. Waveshare Wireless-AX210

Bluetooth module with built-in CC2541 chip. The module is small, energy-saving and easy to use

Bluetooth 5.0 module based on the BT401 chip. It allows you to send audio and support microSD cards up to 128 GB. DFRobot DFR0781

The evaluation kit designed for the nRF51822 Bluetooth 4.0 system consists of the BLE400 base board and the Core51822 wireless module with the nRF51822 chip. Waveshare NRF51822 Eval Kit

ModCC2540-A1 allows the use of Bluetooth transmission features BLE 4.0 - thanks to the built-in CC2540 chip, it is possible to create complex projects without the use of an additional microcontroller. modCC2540-A1