Bluetooth module HC-06 (2.0 + EDR)

Low Energy Bluetooth adapter module with 2x4 pin 2.54mm connector, extra / high. RS232 allows communication with BLE devices

Board with the Artemis chip, the GNSS ZOE-M8Q module and the Iridium 9603N satellite receiver. It allows you to send and receive short messages with data anywhere in the world. SparkFun WRL-18712

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

The module with the HC-05 compatible transceiver makes it easy to add Bluetooth communication to an existing project. The system is controlled by exchanging AT commands (UART bus)

Bluetooth 5 module with nRF52840 chip. It is based on the ARM Cortex-M4 core with 1 MB Flash memory and 256 KB RAM memory. It is equipped with a USB interface. SparkFun DEV-15025

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

Powerful, generic Wi-Fi+BT+BLE MCU modules that target a wide variety of applications, ranging from low-power sensor networks to the most demanding tasks, such as voice encoding, music streaming and MP3 decoding. Espressif ESP32-WROOM-32E 32MBit (4MB)

An advanced wireless communication module based on the Bluetooth 5.2 (Bluetooth® Low Energy, BLE) stack, which is designed using the powerful Nordic nRF5340 SoC. It provides GPIO, SPI, UART, TWI, I2C, PDM, PWM, ADC, NFC and USB interfaces for connecting peripherals and sensors. SparkFun WRL-25465

Wireless connectivity module based on the CYW43439, providing Wi-Fi and Bluetooth for projects with RP2040 or RP2350 microcontrollers. Equipped with an SP/CE (JST-SH 8-pin) connector, it allows for quick, solderless connection, and optional pads allow for permanent wired connections. It is fully compatible with Pico W and ideal for IoT, automation, and mobile applications. Pimoroni PIM730

Bluetooth module with integrated HC-08 system. Thanks to the angular pin connector with the bus signals, it is possible to easily connect the module to the contact plate or wires

The IoT module combining Wi-Fi and Bluetooth (BLE) technologies, which is designed for a wide range of applications, from low-power sensor networks to the most demanding tasks such as voice coding, music streaming and MP3 decoding. Espressif ESP32-WROOM-32D 128MBit

Integrated circuit, combining Wi-Fi functionality and Bluetooth 4.2 BLE. Integrated 32-bit dual-core Xtensa LX6 processor, 448kB ROM, 520kB SRAM. ESP32 allows you to work with many interfaces, including SPI, I2C, UART, CAN, ETH, IR and can be supplied with 2.2V-3.6V. The system has a QFN48 (5x5mm) housing. ESP32-D0WD

The HLK-B35S module is a compact Wi-Fi + BLE solution for wireless communication in IoT and automation projects. modHLK-B35S

Development board with LoRa Semtech SX1262 module and Apollo 3 Bluetooth 5 integrated in the NM180100 chip. It supports the 868 MHz and 915 MHz bands and Bluetooth Low Energy. It is compatible with the Qwicc system. SparkFun 17506

Expansion board with BlueNRG-M0 module compatible with Bluetooth v4.2. It is compatible with the ST morpho connector system (unmounted) and Arduino UNO R3. Communication with the module is via the SPI interface. STMicroelectronics X-NUCLEO-IDB05A2

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