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 |