Bluetooth® SoC
ARM® Cortex®-M4 32-bit processor with FPU
Long range HW support
USB support
1MB Flash
256kB Ram

RF interfaces

LTE Cat.M1/NB IoT with fallback to 2G (GPRS)/2.75G( EDGE) Bluetooth® 5 LE with +20 dBm amplifier and LNA, embedded PCB antenna
GNSS( GPS, COMPASS, GLONASS) - with embedded active patch antenna

Motion sensor: ultra-low-power, high-performance, 3-axis "femto" accelerometer
Temperature sensor
Battery Fuel Gauge: precise battery state of charge estimation.
RTC clock: full scale temperature compensated.
Accuracy: 1.9 ppm ( 0 to +50°C);
Accuracy: 3.4 ppm ( -40 to +85°C)

Programmable push button for specific use-cases such as alerts
Programmable RGB LEDs

Power supply

Rechargeable Li-Po 3.7V battery with PCM.
Capacity: 800 mAh
Embedded battery IC charger
Operating Temperatures:

-Discharge:-10°C ~ +55°C (14°F to 131°F)
-Charge: 0 °C ~ +43°C (32°F to 109°F)

Compatible with USB 2.0 FS
Battery charging feature - IC charger (5V -> 4.2V) on the PCB IP67 rating

Operating Temperature: 0°C to 55°C (32°F to 131°F)
Storage Temperature (recommended): 15°C to 30°C (59°F to 86°F)
Relative Humidity (operating): 20% to 80% relative humidity
Relative Humidity (storage): 10% to 90% relative humidity,
non-condensing
Splash-proof

Non-flammable Enclosure: siliconeAdhesive layer: double-sided adhesive tape

Size and Weight

Length 90 mm (3.54 inches)Width: 90 mm (3.54 inchesHeight: 16 mm (0.63 inches)Weight: 57 g (2.01 ounces)