Gnss Receiver; General Description; Gnss Performance - Quectel EG25-G Hardware Design

4

GNSS Receiver

4.1. General Description

EG25-G includes a fully integrated global navigation satellite system solution that supports Gen8C Lite of
Qualcomm (GPS, GLONASS, BeiDou, Galileo and QZSS ).
EG25-G supports standard NMEA-0183 protocol, and outputs NMEA sentences at 1Hz data update rate
via USB interface by default.
By default, EG25-G GNSS engine is switched off. It has to be switched on via AT command. For more
details about GNSS engine technology and configurations, please refer to document [3].

4.2. GNSS Performance

The following table shows GNSS performance of EG25-G.
Table 25: GNSS Performance
Parameter Description
Cold start
Sensitivity
Reacquisition
(GNSS)
Tracking
Cold start
@open sky
TTFF
Warm start
(GNSS)
@open sky
Hot start
EG25-G_Hardware_Design
Conditions
Autonomous
Autonomous
Autonomous
Autonomous
XTRA enabled
Autonomous
XTRA enabled
Autonomous
LTE Module Series
EG25-G Hardware Design
Typ. Unit
-146 dBm
-156 dBm
-147 dBm
35 s
15 s
28 s
3 s
2 s
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