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
Feature 7
Storage temperature: -25 to +85 degrees C
Feature 8
Supply voltage: 1.9 to 3.6VDC
Feature 9
10.5 x 9.2 x 2.0mm
Feature 10
Module has embedded 16MHz clock
Feature 11
Connection to external 32kHz clock available via 13pin/14pin (GPIO_27 /GPIO_26)
Feature 12
All 31 GPIO pins of nRF51822 assigned, enhancing design flexibility to include LED, button, remote controller or keyboard(Matrix)
Feature 13
RAM: 32K bytes
Feature 14
RoHS compliant
Feature 15
Certifications: FCC/IC/CE/MIC/QDID