Bluetooth module HC-05 (2.0 + EDR)

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

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

Crowtail – Bluetooth-compatible Low Energy Module is a small BLE + EDR communication module intended for wireless data transmission in IoT and automation projects. It enables fast serial-interface connection with mobile devices or computers.

BLE Beacon transmitting Bluetooth signals at regular intervals. These signals can be detected by Bluetooth-enabled devices such as the SenseCAP T1000 tracker, allowing them to determine their distance from the beacon, creating a location-based indoor positioning solution. Seeed Studio 113991194

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 Pmod BLE module is a Bluetooth module with powerful capabilities. Thanks to communication via the UART port, the module can be connected to any platform equipped with this interface. The module is equipped with the Roving Networks RN4870 system, in which a full Bluetooth interface is built-in. Digilent 410-359

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

WiFi/BLE module that supports both the 2.4 GHz and 5 GHz WiFi bands, as well as Bluetooth Low Energy (BLE 4.2) communication. It has a u.FL connector dedicated to connecting an external antenna and a connector with a 2.54 mm pitch, which greatly facilitates prototyping. Tibbo WA2000U

A development board that combines the u-blox NINA-B306 Bluetooth module, the ISM330DHCX 6DoF IMU sensor, and the BME280 atmospheric pressure sensor. It has a built-in Qwiic connector and LiPo battery connector as well as a charger and LiPo parameters monitor. SparkFun WRL-20854

Bluetooth module v2.0 + EDR, controlled by AT + commands with built-in antenna.

The ESP32 WiFi and Bluetooth module has a dual-core 32-bit MCU that integrates WiFi HT40 and Bluetooth / BLE 4.2 technology. Designed for mobile devices and Internet of Things (IoT) applications. DFRobot TEL0111

The module enables wireless communication using Bluetooth Low Energy technology version 4.1. It has a built-in AMS002 chip with UART interface. MOD 61

Communication module with the SIM800C system designed for Raspberry Pi minicomputers. Adds support for GSM/GPRS networks. Waveshare SIM800C GSM/GPRS HAT

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)

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

A module that combines GSM/GPRS/GNSS and BT 3.0 technologies. It is available in a small, easy to solder LCC housing and has a low power consumption up to 1.2 mA. Quectel MC60CA