User's Manual

TECHNICAL MANUAL
Telit GM862-GPS
Quad Band GPS Data Terminal Module
Pag.55 of 79
Rev. 0
#SEMAIL Send Email
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#ESAV Email Parameters Save Command
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#ERST Email Parameters Reset Command
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Easy Scan Extension GM862-GPS
#CSURV Network Survey of the complete 900/1800/1900
Network
•
#CSURVC Network Survey in computer friendly format
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#CSURVU Network Survey of user defined 900/1800/1900
chan.
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#CSURVUC Network Survey in computer friendly format
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#CSURVF Network Survey Format
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Jammed Detect & Report custom AT command GM862-GPS
#JDR Jammed Detect & Report
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PYTHON Script Management commands GM862-GPS
#WSCRIPT Write script command
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#ESCRIPT Select Active script command
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#RSCRIPT Read script command
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#LSCRIPT List script names command
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#DSCRIPT Delete script command
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#REBOOT Reboot command
•
3.15 GPS Receiver characteristic
The main features of SiRFstarIII GPS chipset (GSC3f) are the following:
 High sensitivity for indoor fixes (-158 dBm)*
 Extremely fast TTFFs at low signal levels
 Hot starts < 2 seconds
 SBAS (WAAS and EGNOS) support
 Compatible with autonomous and aided software
 200,000+ effective correlators
 Supports 20-Channel GPS
* Depending on the used GPS antenna.
3.15.1 Key Performance Specifications
The specifications in this section are intended to provide guidance regarding typical
system performance for cellular systems incorporating the GSC3F
3.15.1.1 Sensitivity
Type of Fix
Minimum Signal Strength
(Signal Condition For All Satellites)
Hot Start (first fix after standby) -158 dBm
3.15.1.2 Average Power Consumption
- GPS Receiver consumption < 60 mA
rms
- GPS Receiver (power saving) 1 mA
rms