Specifications

Dimensions and Weight
Dimensions:	12 x 28 x 36 mm
Weight:	11.3 g
Energy Harvesting Unit
Model name:	AM-1819CA
Type:	Amorphous solar cell
Dimensions:	31 x 24 mm
Datasheet:	click here
Bluetooth Unit
Bluetooth chipset:	nRF51822
Bluetooth version:	Bluetooth Low Energy 4.0 (upgradeable to 5.0)
Transmission power:	-20 to +4 dBm
Sensitivity:	-90 dBm
Datasheet:	click here
Computation Unit
Computation device:	32-bit ARM Cortex M0
Data rates:	250 Kbps, 1 Mbps, and 2 Mbps
Memory:	256/128 KB flash, 32/16 KB RAM
Power Management Unit
Power management chipset:	S6AE103A
Datasheet:	click here
Energy Storage
Model name:	ML 1220
Type:	Li-ion rechargeable
Capacity:	17 mAh
Dimensions (diameter):	12 mm
Datasheet:	click here