BlueSMiRF v2 - Bluetooth module with ESP32-PICO-MINI-02 (with connectors)

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

Energy-saving Wi-Fi and Bluetooth 5.0 module compliant with the IEEE 802.11 a/b/g/n/ac standard. Ampak AP6256

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 low-power consumption micro-controller intentionally designed for Internet of Things (IoT) projects. The board integrates a Dual-Core ESP-WROOM-32 module, which supports MCU and Wi-Fi &Bluetooth dual-mode communication. DFR0478

Advanced wireless communication module, based on the Bluetooth 5.4 stack (Bluetooth® Low Energy, BLE), which was designed using the efficient Nordic NRF52805 SOC system. The module offers support for the UART interface, available only in peripheral mode, which allows for effective operation as a data bridge (Data Bridge). Sparkfun WRL-25466

An efficient Bluetooth 4.0 module that ensures excellent operating parameters and significantly increases the efficiency of wireless communication. It is based on the popular Nordic BLE 4.0 nRF51822 microcontroller, which guarantees both performance and low power consumption. It has a built-in Bluetooth stack and is controlled via the UART interface using AT commands. WT51822-S4AT

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

Bluetooth Low Energy module based on the nRF52832 microcontroller. It offers GPIO, SPI, UART, I2C, I2S, PWM, ADC and NFC interfaces for connecting peripherals and sensors. The module is characterized by a compact size. Adafruit 4077

The Microchip RN4020 module is an energy-saving Bluetooth v4.1 module with a built-in antenna; transmit power level + 7dBm, AES128 coding

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

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

Flora Wearable Bluefruit LE Module

Intel\'s AX200 wireless communication module. It supports the 802.11AX Wi-Fi Generation 6 standard and Bluetooth 5.2, and features an M.2 A/E Key with NGFF interface. Waveshare Wireless-AX200

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

Bluetooth 4.0 BLE module with UART serial interface. Controlled by AT commands, it can be supplied with the voltage from 3.6 V to 6 V. AT-09/HM-10

Advanced wireless communication module, based on the Bluetooth 5.4 stack (Bluetooth® Low Energy, BLE), which was designed using the efficient Nordic NRF52805 SOC system. The module offers support for the UART interface, available only in peripheral mode, which allows for effective operation as a data bridge (Data Bridge). Sparkfun WRL-25467