Technical parameters

**Physical characteristics**
Parameter	Value
Dimensions (mm)	W: 35, L: 55, H: 15
Weight (g)	47
Humidity	from 5% to 95% (none condensing)
Water resistence	IP67 (dust and water resistant, the latter up to 1 m and 30 minutes)

**Memory**
Parameter	Value
Built-in	32 Mbyte RAM, 32 Mbyte ROM
SD card	Nincs

**Operating time**
Parameter	Value
Standby time	approx. 72 hours 100%, approx. 40 hours at 50% GSM signal level

**Network**
Parameter	Value
GNSS	GPS / LBS
Type of data traffic	GSM / GPRS (2G)
SIM card	Micro SIM with a data frame of at least 30 Mbytes / month. Data traffic only works in GPRS mode.
GSM frequencies	850, 900, 1800, 1900 MHz
GSM chip	CB900
GSM signal strength measurement	Yes
GPS chip	MTK2503D
GPS sensitivity	-
GPS accuracy	20 m

**Communication**
Parameter	Value
SMS	Yes
TCP	Yes

**Sensors**
Parameter	Value
Blood pressure and heart rate	Yes
Motion sensor during sleep	Yes