Feature 1
1 central can communicate with up to 8 periherals
Feature 2
Upper layer protocol stack & SDK from Nordic Semiconductor www.nordicsemi.com/eng/support
Feature 3
Bluetooth specification version 4.1 (single mode)
Feature 4
Output Power: +4dBm max.
Feature 5
Receiver sensitivity: basic rate -88dBm typical
Feature 6
Host interface: UART
Feature 7
Operating temperature: -25 to +85 degrees C
Feature 8
Storage temperature: -25 to +85 degrees C
Feature 9
Supply voltage: 1.9 to 3.6VDC
Feature 10
15.7 x 9.8 x 2.0mm
Feature 11
Module has embedded 16MHz clock
Feature 12
Connection to external 32kHz clock available via 13pin/14pin (GPIO_27 /GPIO_26)
Feature 13
All 31 GPIO pins of nRF51822 assigned, enhancing design flexibility to include LED, button, remote controller or keyboard(Matrix)
Feature 14
RAM: 32K bytes
Feature 15
RoHS compliant
Feature 16
Certifications: FCC/IC/CE/QDID/Radio Act