K7 GPS/GLONASS Tracker
GPS/GLONASS Specifications
Item |
Description |
Specification |
Chipset |
MSTAR |
MSB2311 |
Sensitivity |
Tracking |
-161dBm, typical |
General |
Frequency |
GPS L1 1575.42 MHz, GLONASS L1 1602MHZ |
Channels |
80 acquisition 20 tracking channels |
Datum |
WGS-84 |
Default WGS84 |
Accuracy |
Position |
2m CEP |
Velocity |
0.1 meters/second |
Time |
1PPS |
Time to First Fix (TTFF) |
Reacquisition |
0.1 sec., average |
Open Sky & Stationary Requirements |
Hot start |
1 sec., average |
Warm start |
32 sec., average |
Cold start |
34 sec., average |
Dynamic Conditions |
Altitude |
18000m(Max) |
Velocity |
515m/s(Max) |
Acceleration |
4g |
Jerk |
1g/s |
SM/GPRS Specifications
Item |
Description |
specification |
Air Interface |
GSM or GPRS Quad Band |
850/900/1800/1900MHz |
Protocol Stack |
GSM Rel.97. STK Rel.99 GPRS Rel4.0 Class 10 |
Output Power |
Class 4 (2W) at 850/900 MHz Class 1 (1W) at 1800/1900 MHz |
GSM Sensitivity |
850/900 MHz |
-108 dBm |
1800/1900 MHz |
-107 dBm |
Messaging |
SMS concatenated |
Yes |
Smart messaging(GPRS) |
Yes |
Physical Specifications
Item |
Description |
Specifications |
Dimension (Products) |
Length |
86 mm |
Width |
46mm |
Height |
19 mm |
Antenna |
GPS/GLONASS |
External |
GSM/GPRS |
Internal&External |
Environmental Specifications
Item |
Description |
Specification |
Temperature |
Operating range |
-20 °C to 70 °C |
Storage range |
-40 °C to 85 °C |
Humidity |
up to 95% non-condensing |
|
Electrical Specifications
Item |
Description |
Specification |
Supply voltage |
From Car Power |
9 V – 40V |
Battery |
Built-in back up Li-ion battery |
1000mA |
Power consumption |
Operation mode (GSM) |
130mA~ 270mA |
Standby mode (Trace On) |
70±mA |
Power saving mode (Trace Off) |
7mA |