If you have a custom PCB design and you’d like to add a little Bluetooth Low Energy, this module is ultra compact and easy to use. It contains a Nordic nRF51822 Cortex M0 chip that comes integrated with BLE radio as well as most of the supporting circuitry and even a chip antenna. The whole thing is in a tin and comes with FCC, CE and TELEC certifications.2.4 GHz multiprotocol RF transceiverARM® Cortex™-M0 32 bit processor128 bit AES HW encryption256kB flash & 32kB RAMThe NRF51822 Bluetooth 4.0 Module (w/ Pins) is a wireless module based on nRF51822 — the Multiprotocol Bluetooth® 4.0 low energy/2.4 GHz RF SoC designed for ULP (ultra-low power) wireless applications.Features:Programmable Peripheral Interconnect (PPI)Digital interfaces: SPI, I2C, UART10 bit ADCProgrammable output power: ‑20 to 4 dBmIndependent application development and protocol stackFully compatible with NRF24L seriesPinout compatible with NRF51xxx seriesGlobal separate power managementOperating voltage: 1.8 V ~ 3.6 V
