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GPS Specifications
uBlox- LEA-4S chipset version (default)
General
1). Frequency:L1, 1575.42 MHz.
2). C/A code:1.023 MHz chip rate.
3). Channels:20
Accuracy (Open Sky)
1). Position:10 meters, 2D RMS.
2). 7 meters 2D RMS, WAAS corrected.
3). 1-5 meters, DGPS corrected.
4). Time 1 microsecond synchronized to GPS time.
Datum
1). Default:WGS-84.
2). Other Support different datum by request.
Acquisition Rate (Open sky, stationary requirements)
1). Reacquisition:0.1 sec., average.
2). Hot start:1 sec., average.
3). Warm start:38 sec., average.
4). Cold start:42 sec., average. (First time fix can be between 1-3 minutes)
Dynamic Conditions
1). Altitude : 18,000 meters (<60,000 feet) Max
2). Velocity:736 m/s (<1,000 knots) Max
3). Acceleration:4 G, Max
4). Jerk:20 meters/second, Max
RF interface
1). Minimum signal tracked: -159dBm
Parameter Specification
Receiver Type L1_frequency,C/A Code, 16-Channels
8192_time/frequency_search_windows
Max Navigation Update Rate
4 Hz
Accuracy Position
Position DGPS / SBAS2
2.5m CEP3 5.0m SEP4
2.0m CEP 3.0m SEP
Acquisition GPS Mode:
Cold Start 34 Sec (First time fix can be between 1-3 minutes)
Warm Start 33 Sec
Hot Start <3.5 Sec
Reacquisition <1 Sec
Sensitivity
Tracking -158 dBm
Acquisition & Re-acquisition -148 dBm
Cold Starts -142 dBm
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GSM Specifications
Power supply Single supply voltage 3.4V – 4.5V
Power saving Typical power consumption in SLEEP mode to 3mA
Frequency bands
Tri-band: 900, DCS 1800, PCS 1900 or
EGSM 850, DCS 1800, PCS 1900 (SIM 300)
OR
Quad-band: GSM 850, EGSM 900, DCS 1800, PCS 1900. (SIM 340)
Compliant to GSM Phase 2/2+
GSM class Small MS
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
Build in TCP/IP support.
Temperature range
Operation: -25°C to +70°C
Storage temperature -40°C to +80°C
DATA
GPRS:
CSD:
GPRS data downlink transfer: max. 85.6 kbps
GPRS data uplink transfer: max. 42.8 kbps
Coding scheme: CS-1, CS-2, CS-3 and CS-4
Supports the protocols PAP (Password Authentication
Protocol) usually used for PPP connections.
Integrated TCP/IP protocol.
Support Packet Switched Broadcast Control Channel (PBCCH)
CSD transmission rates: 2.4, 4.8, 9.6, 14.4 kbps, non-transparent
Unstructured Supplementary Services Data (USSD) support
SMS, MT, MO, CB, Text and PDU mode
SMS storage: SIM card
Support transmission of SMS alternatively over CSD or GPRS.
User can choose preferred mode.
FAX Group 3 Class 1
SIM interface Supported SIM card: 1.8V ,3V
Audio features Speech codec modes:
Half Rate (ETS 06.20)
Full Rate (ETS 06.10)
Enhanced Full Rate (ETS 06.50 / 06.60 / 06.80)
Echo cancellation
Noise reduction
Phonebook management Supported phonebook types: SM, FD, LD, MC, RC, ON,
ME,BN,VM,LA,DC,SD
Application Toolkit Supports SAT class 3, GSM 11.14 Release 98
Real time clock Implemented
Timer function Programmable via AT command
Firmware upgrade Firmware upgradeable over serial interface
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