BLE400 Evaluation Board for Bluetooth 4.0 Modules - Waveshare 9546

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

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

The HLK-B35S module is a compact Wi-Fi + BLE solution for wireless communication in IoT and automation projects. modHLK-B35S

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

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

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.

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

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

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

The module is compatible with the Grove Base Shield and designed to implement a wireless serial connection. It uses Bluetooth 4.0 (BLE) HM-11 and UART communication. Seeed Studio 113020008

Mini bluetooth v2.0, plug & play USB module, RoHS

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

Comprehensive development platform for Espressif ESP32 a WiFi-compatible microcontroller and nearly 30 I/O pins. DEV-13907

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

KAmodBT-HC05 is a Bluetooth module configured via AT commands. It has integrated LEDs indicating operating mode and connection status with the paired device, as well as a logic level translator on UART lines. KAmodBT-HC05