Core51822 (nRF51822) Waveshare - Bluetooth 4.0 module

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

The BLE 4.0 Bluetooth module with the CC2541 system has an integrated PCB antenna and an extensive AES security system. Thanks to the built-in system CC2541 from Texas Instruments, it is possible to create a project without the use of an additional microcontroller. modCC2541

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

Compact, low-power 2.4 GHz Bluetooth Beacon solution, ideal for sensor monitoring, asset tracking, and real-time location. With extremely low power consumption, it can operate for years on a 3V button cell battery, making it an efficient choice for IoT applications. Configuration of the module is simple and intuitive thanks to the InPlay NanoBeacon Config Tool, which enables easy programming without the need to write code, providing a user-friendly graphical interface to set the device parameters. SparkFun WRL-21293

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

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

Board with Bluetooth HC-06 module, RoHS

Bluetooth 2.1+EDR module for mounting in SMD technology with a fully configurable UART interface (transfer speed up to 2 Mb/s). SparkFun WRL-12575

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

A module with a USB connector that supports WiFi communication (two frequency bands 2.4GHz and 5GHz) and Bluetooth 2.1/3.0/4.2. Dedicated to Odroid minicomputers. Odroid WiFi Module 5BK

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

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

HC-08 is a module operating in the Bluetooth Low Energy 4.0 standard. The system has a built-in antenna and small dimensions, and thanks to edge joints it can be surface soldered. The module is configured via AT commands

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

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-24113