Product Info

Automotive Module Series
AG35 Hardware Design
AG35_Hardware_Design 74 / 129
4 GNSS Receiver
4.1. General Description
AG35 includes a fully integrated global navigation satellite system solution that supports Gen8C-Lite of
Qualcomm (GPS, GLONASS, BeiDou, Galileo and QZSS).
AG35 supports standard NMEA-0183 protocol, and outputs NMEA sentences at 1Hz data update rate via
USB interface by default.
By default, AG35 GNSS engine is switched off. It has to be switched on with AT command. For more
details about GNSS engine technology and configurations, please refer to document [4].
4.2. GNSS Performance
The following table shows the GNSS performance of AG35.
Table 32: AG35-CE GNSS Performance
Parameter
Description
Conditions
Typ.
Unit
Sensitivity
(GNSS)
Cold start
Autonomous
-146
dBm
Reacquisition
Autonomous
-158
dBm
Tracking
Autonomous
-162
dBm
TTFF
(GNSS)
Cold start
@open sky
Autonomous
35
s
XTRA enabled
18
s
Warm start
@open sky
Autonomous
26
s
XTRA enabled
2.2
s