Feature 1
Upper layer protocol stack & SDK from Nordic Semiconductor www.nordicsemi.com/eng/support
Feature 2
Bluetooth specification version 4.1 (single mode)
Feature 3
Output Power: +4dBm max.
Feature 4
Receiver sensitivity: basic rate -88dBm typical
Feature 5
Host interface: UART, SPI, I2C, GPIO
Feature 6
Operating temperature: -40 to +85 degrees C at power supply 1.9VDC to 3.6VDC, -25 to +75 degrees C at 1.8VDC to 3.6VDC
Feature 7
Storage temperature: -40 to +85 degrees C
Feature 8
11.5 x 7.9 x 1.7mm
Feature 9
Module has embedded 32MHz clock
Feature 10
Connection to external 32kHz clock available via 13pin/14pin (GPIO_27 /GPIO_26)
Feature 11
All 31 GPIO pins of nRF51822 assigned, enhancing design flexibility to include LED, button, remote controller or keyboard(Matrix)
Feature 12
RAM: 16K bytes
Feature 13
RoHS compliant
Feature 14
Certifications: FCC/IC/CE/QDID