Gnss Receiver; General Description; Gnss Performance - Quectel QuecOpen BG952A-GL Hardware Design

4

GNSS Receiver

4.1. General Description

BG952A-GL QuecOpen supports GPS and GLONASS satellite systems using dedicated hardware
accelerators in a power and cost-efficient manner.
The module supports standard NMEA-0183 protocol, and outputs GNSS NMEA sentences at 1 Hz data
update rate via CLI UART interface by default.
By default, BG772A-GL QuecOpen GNSS engine is switched off. It has to be switched on via AT
command. The module does not support concurrent operation of WWAN and GNSS. For more details
about GNSS engine technology and configurations, see document [1].

4.2. GNSS Performance

Table 24: GNSS Performance
Parameter
Sensitivity (GNSS)
TTFF (GNSS)
BG952A-GL_QuecOpen_Hardware_Design
Description
Cold start
Reacquisition
Tracking
Cold start @ open sky
Warm start @ open sky
Hot start @ open sky
Conditions
Autonomous
Autonomous
Autonomous
Autonomous
XTRA enabled
Autonomous
XTRA enabled
Autonomous
LPWA Module Series
Typ. Unit
-145 dBm
-153 dBm
-158 dBm
29.42 s
TBD s
28.38 s
TBD s
1.07 s
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