TCA10FR-2400

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

Bluetooth module v2.0 + EDR (master / slave), controlled by AT + commands with built-in antenna.

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 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)

USB adapter for PC, allowing Bluetooth v4.0 communication with speeds up to 3Mb / s and range up to 20m

Adafruit 2269 - Bluefruit LE Sniffer - Bluetooth Low Energy (BLE 4.0) - nRF51822 - v1.0

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

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

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

Waveshare BLE4.0 Bluetooth 2.4G Mother Board, provides I/O expansion connectors and various interfaces. BLE400

WRL-12991

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

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

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

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