The Click accessory modules plug into the MikroBUS sockets in MikroElektronika microcontroller development boards. The BLE2 features an RN4020 module for the development of Bluetooth Low-Energy (BLE) wireless communication systems.

RN4020 Bluetooth 4.1 module with on-board TCP/IP stack
Can act both as a client or a server
Supports 13 public profiles and 17 public services, including the MicroChip Low-energy Data Profile (MLDP)
PCB antenna providing over 30m range
UART serial bus interface
Power supply: +3.3Vdc
Applications: Wireless sensing/control, local communication for the Internet-of-Things (IoT)

Click board comes with the header strips soldered.

Click mikroBUS™ Wireless Communication Boards

MikroElektronika has designed a range of boards to add new functions and enhance the development of your applications using the mikroBUS™ pinout standard socket. All in one click!
Click™ boards can add a range of sensing, Bluetooth, Wi-Fi, extra memory, UART communications, audio and much more functionality to your designs. Some boards also act as extensions for development platforms such as the Beaglebone, Arduino Uno and Raspberry Pi.