GM862 Product Description
80272ST10019a Rev. 10 – 18/09/2008
Reproduction forbidden without Telit Communications S.p.A. written authorization - All Rights Reserved
page 14 of 60
2.8
GPS Module features
The GM862-GPS includes a SiRFstarIII™ single chip GPS receiver, that supports real-time location in
urban area and wherever a high sensitivity acquisition is needed. As main features of such GPS
receiver, we can mention:
•
High sensitivity for indoor reception, up to -159dBm (with active antenna)
•
Extremely fast TTFF’s at low signal levels
•
Hot starts < 3 seconds
•
200,000+ effective correlators
•
Supports 20-Channel GPS L1 1575.42 MHz
•
Accuracy < 2.5m
•
Extremely fast TTFF’s at low signal levels
•
GPS NMEA 0183 output format
•
Date
WGS-84
•
Dedicated GPS AT commands
•
SBAS (WAAS and EGNOS) support
2
•
Low power consumption
4
2.8.1 GPS Specifications
2.8.1.1 GPS Sensitivity
Time to first fix
Hot start
Autonomous <3s
Warm start
Autonomous <35s
Cold start
Autonomous <35s
Sensitivity
3
Tracking
up to -159 dBm
2.8.1.2 GPS Average Power Consumption
The typical current consumption of the GPS part of the
Telit GM862-GPS modules
is:
2
Available for the P/N: 3 990 250 689
3
NOTE:
sensitivity is affected by the type of active GPS antenna used in the application.
