nRF51822 Bluetooth Smart Beacon KitReference Design - DISCONTINUED

Explore Bluetooth Low Energy beacon applications

The nRF51822 Bluetooth® Smart Beacon Kit consists of hardware, firmware and apps for both iOS and Android on Bluetooth 4.0 enabled smartphones.
It is ultra-compact at 20 mm diameter and can run from CR1632 coin-cell batteries. The kit has two buttons which can be programmed to enable easy switching between modes and/or functionality, as well as an RGB LED which can be configured to indicate different events.

Ten GPIO pins are available for expansion and the kit can be connected to an external programmer/debugger during development work. The nRF51822 Bluetooth Smart Beacon Kit also supports complete Over-The-Air (OTA) Device Firmware Upgrade (DFU) for all firmware on the nRF51822 chip.
  • Ultra-compact form factor (20 mm diameter)
  • Full OTA DFU for protocol stack and application
  • 10 GPIO pins available on board
  • 2 x buttons
  • 1 x RGB LED
  • Fully programmable
  • Companion Apps available for iOS and Android 4.3
Kit contains:
  • 1 x nRF51822 Bluetooth Smart Beacon Kit Module
  • Apps and source code available as downloads


Please note that this product is DISCONTINUED as of October 2018.

nRF Beacon


nRF51822 SoC

nRF51822 SoC

General purpose Bluetooth Low Energy SoC ideal for single chip solutions or as a connectivity device.

16 MHz Cortex-M0
256/128 KB Flash, 32/16 KB RAM
2.4 GHz Transceiver
2 Mbps, 1 Mbps, 250 kbps
Bluetooth Low Energy
+4 dBm TX Power
128-bit AES CCM


10-bit ADC


Mobile app

nRF Beacon

The nRF Beacon application lets you explore a full range of possibilities for beacons using Bluetooth Low Energy technology. The application has been designed to demonstrate all features of the nRF8122 Bluetooth Smart Beacon Kit.

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