NRF51822 Bluetooth 4.0 Evaluation Kit - Waveshare 9549

Bluetooth 4.0 BLE module powered with 3.3V voltage based on SOC TI CC2541 (On Chip). The module has a range of up to 10m and communicates via the UART interface.

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

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

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

The module is compatible with the Grove Base Shield and designed to implement a wireless serial connection. It uses BluetoothV2.0+EDR and UART communication. Seeed Studio 113020008

P-NUCLEO-WB55

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

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 module v2.0 + EDR (master / slave), 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

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

Miniature antenna for 2.4GHz band, RoHS

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

Overlay module for Raspberry Pi with GSM, GPRS, GNSS and Bluetooth

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

Adafruit 2267 - Bluefruit LE Friend - Bluetooth Low Energy (BLE 4.0) - nRF51822