NRF51822 Bluetooth BLE4 2.4GHz Wireless Communication Module

The NRF51822 SoC from Nordic Semiconductor is a powerful and versatile multiprotocol chip designed for Bluetooth® Low Energy (BLE) and 2.4GHz ultra-low-power wireless applications. Powered by a 32-bit ARM® Cortex™ M0 CPU the NRF51822 offers impressive performance with 256kB/128kB flash and 32kB/16kB RAM ensuring efficient operation for a wide range of applications.

This chip features an embedded 2.4GHz transceiver that supports both Bluetooth LE and the Nordic Gazell 2.4 GHz protocol making it compatible with nRF24L series products from Nordic Semiconductor. Its low-power capabilities, coupled with its robust protocol support, make the NRF51822 an ideal choice for wireless communication applications that require high flexibility and energy efficiency.

Onboard chip: nRF51822

Communication distance (open outdoor@1M data rate): 30 m

Frequency range: 2.4GHz

Operating voltage: 2.0 Volts to 3.6 volts

Operating temperature: -40° ~ 85°

Expansion pin header: all the I/Os except P0.26 and P0.27

Pinheader pitch: 2.00 mm

Spacing between pin headers on the left side and the right side: 18.00mm

Antenna: onboard antenna

2.4 GHz multiprotocol RF transceiver

128 bit AES HW encryption

256kB flash & 16kB RAM

Programmable Peripheral Interconnect (PPI)

Digital interfaces: SPI, I2C, UART

10 bit ADC

Programmable output power: -20 to +4 dBm

Independent application development and protocol stack

Fully compatible with NRF24L series

Pinout compatible with NRF51xxx series

Global separate power management

Operating voltage: 1.8 V ~ 3.6 V

Wearable devices

Bluetooth intelligent application

Mobile phone accessories

RFID labels

Smart home appliances

Industry control

Data acquisition system