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|
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SIRF STAR III chipset version |
Nemerix chipset version
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General
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|
Frequency |
L1, 1575.42 MHz.
|
L1, 1575.42 MHz |
|
C/A code |
1.023 MHz chip rate
|
1.023 MHz chip rate
|
|
Channels |
20 |
16 |
|
Accuracy
(Open Sky) |
|
|
Position |
10 meters, 2D RMS.
|
7 meters CEP (90%)
horizontal, SA off. |
|
Time |
1 microsec
synchronized to GPS time. |
1 microsec
synchronized to GPS time. |
|
Velocity |
|
0.1 meters/second
|
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Datum |
|
|
Default |
WGS-84. |
WGS-84. |
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Other |
Support different
datum by request. |
Support different
datum by request. |
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Acquisition
Rate (Open sky, stationary requirements)
|
|
|
Reacquisition |
0.1 sec., average. |
0.1 sec., average. |
|
Hot start |
1 sec., average. |
10 sec, average |
|
Warm start |
38 sec., average. |
38 sec, average |
|
Cold start |
42 sec., average. |
45 sec, average |
|
Snap start |
|
2 sec, average |
|
Dynamic
Conditions |
|
|
Altitude |
18,000 meters
(<60,000 feet) Max |
18,000 meters
(60,000 feet) max |
|
Velocity |
736 m/s (<1,000
knots) max |
515 m/s (1000 knots)
max |
|
Acceleration |
4 G, max |
4g, max |
|
Jerk |
20 meters/second,
max |
20 meters/second,
max |
|
RF interface
|
|
|
RF interface |
Minimum signal
tracked: -159dBm |
|
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GSM Modem
Specifications |
|
|
Power Supply |
Power
supply Single supply voltage 3.4V 4.5V
Power saving Typical power consumption
in SLEEP mode to 3mA |
|
Frequency bands |
Tri-band: EGSM 900, DCS 1800, PCS 1900
or
Tri-band: EGSM 850, DCS 1800, PCS 1900
Compliant to GSM Phase 2/2+
GSM class Small MS |
|
Class |
Transmit
power Class 4 (2W) at EGSM900
Class 1 (1W) at DCS1800 and PCS 1900
GPRS connectivity
GPRS multi-slot class 10
GPRS mobile station class B |
|
Temp. range |
Operating temp. : -25C to +70C
Storage temp. : -40C to +80C |
|
Electrical
Characteristics |
|
|
Input Voltage Power |
+9~37
Volt DC regulated / 2A-MAX (GSM
Transmit) |
|
Consumption |
12 Volt
100~320 mA (GPS On Line, GSM/GPRS On
Line)
12 Volt 60 mA (GPS on line, GSM
standby)
12 Volt <20 mA (GPS in Power Down
Mode, GSM Standby) |
|
Backup Power |
Nickel
Metal Hydride Battery 700 mA |
|
Memory Backup |
Flash
Memory Data retention 200 Years.
64 Kbyte (64000 * 8 Bits data) |
|
Case
Environmental Characteristics |
|
|
Op. Temp. |
-25C to
+70C (board temperature) |
|
Output |
4
digital outputs (200mA max) |
|
Digital Inputs |
5 |
|
Analog Inputs |
1 |
|
RJ Ports |
a) 1
RJ11 port for serial RS232 (low speed
9600 Baud) and
Direct GPS output RS232 (4800 or 9600 Baud depending
on
GPS module)
b) 1 RJ11 port for voice I/O
c) 1 RJ45 MULTI port for HS (115200)
Direct modem access (TTL-
CMOS). |
|
Physical
Characteristics |
|
|
Dimension |
95mm *
77mm * 30mm |
|
Weight |
220 g |
|
Case |
Aluminum
case |
