GPS Specifications
| Item |
Description |
Specification |
| Chipset |
Skytraq |
Venus634LPx |
| Sensitivity |
Tracking |
-161dBm |
| General |
Frequency |
L1, 1575.42 MHz |
| C/A code |
1.023 MHz chip rate |
| Channels |
51 Channel Acquisitions
14 Channel Tracking |
| Datum |
Default |
WGS-84 |
| Accuracy |
Position |
2.5m CEP |
| Velocity |
0.1 meters/second |
| Time |
300ns |
| Time to First Fix (TTFF) |
Reacquisition |
0.1 sec., average |
| Open Sky & Stationary Requirements |
Hot start |
1 sec., average typical TTFF @ -130dBm |
| Warm start |
28 sec., average typical TTFF@ -130dBm |
| Cold start |
29 sec., average typical TTFF@ -130dBm |
| Dynamic Conditions |
Acceleration |
4g, max. |
GSM/GPRS Specifications
| Item |
Description |
specification |
| Air Interface |
GSM or GPRS Dual 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 |
-110 dBm |
| 1800/1900 MHz |
-109 dBm |
| Messaging |
SMS concatenated |
|
| Smart messaging(GPRS) |
|
Physical Specifications
| Item |
Description |
Specifications |
| Dimension |
Length |
70 mm |
| Width |
54 mm |
| Height |
21 mm |
| Weight |
with rechargeable battery |
64g |
| without battery |
44g |
Environmental Specifications
| Item |
Description |
Specification |
| Temperature |
Operating range |
-10 °C to 55 °C |
| Storage range |
-20 °C to 70 °C |
| Humidity |
up to 95% non-condensing |
|
Interface Specifications
| Item |
Description |
Specification |
| Power key |
Power On |
Press3 second |
| Power Off |
press 3 second |
| Park |
Side |
ON |
| SOS |
Top |
Press 2 second |
| Power recharge |
Mini-USB connector |
USB 1.1 |
| AC adaptor (USB) |
Up to 500mA , 5V |
| SIM Card |
Support |
|
| Microphone |
Build-in |
|
| Speaker |
None |
|
| Antenna |
GSM, GPS |
Internal |
LED Signal Definitions
| Indication |
Conditions |
LED display |
| Service |
Limit service (no sim card in) |
Red LED On ( Power)
Blue LED On ( GPS )
Orange LED On ( GPRS) |
| No GPRS service (no signal) |
Orange LED on |
| GPS Not Fixed |
Blue LED On |
| Mode |
GSM + GPS Not Fixed |
Blue On
Orange blinking |
| GSM + GPS Fixed |
Blue blinking
Orange blinking |
| Battery |
Low battery (under 3.6V) |
Red blinking per second |
| Charging |
Red On |
| fully charged |
Close |
Electrical Specifications
| Item |
Description |
Specification |
| Supply voltage |
From Battery |
4.2V |
| From Power Adaptor |
USB 5.0V |
| Power consumption |
Operation mode (GSM) |
130mA~ 270mA |
| Standby mode (Trace On) |
70±5mA |
| Power saving mode (Trace Off) |
3mA |
| Battery: |
Battery Cell |
Li-ion (1050mAh) |
| Charging time |
2.5 hr. |
| Output voltage |
4.2V |
