Quectel RM500Q-AE - GNSS Receiver; General Description; GNSS Performance

5G Module Series
RM500Q-AE&RM502Q-AE Hardware Design
RM500Q-AE&RM502Q-AE_Hardware_Design 52 / 83
4 GNSS Receiver
4.1. General Description
RM500Q-AE&RM502Q-AE module includes a fully integrated global navigation satellite system solution
that supports Gen9-Lite of Qualcomm (GPS, GLONASS, BeiDou/Compass, and Galileo).
The module supports standard NMEA-0183 protocol, and outputs NMEA sentences at 1 Hz data update
rate via USB interface by default.
By default, the module GNSS engine is switched off. It has to be switched on via AT command. For more
details about GNSS engine technology and configurations, see document [3].
4.2. GNSS Performance
The following table shows GNSS performance of RM500Q-AE&RM502Q-AE.
Table 232322: GNSS Performance
Parameter
Description
Conditions
Typ.
Unit
Sensitivity
(GNSS)
Cold start
Autonomous
TBD
dBm
Reacquisition
Autonomous
TBD
dBm
Tracking
Autonomous
TBD
dBm
TTFF
(GNSS)
Cold start
@ open sky
Autonomous
TBD
s
XTRA enabled
TBD
s
Warm start
@ open sky
Autonomous
TBD
s
XTRA enabled
TBD
s