LTE-A Module Series
EP06 Series Hardware Design
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4
GNSS Receiver
4.1. General Description
The module includes a fully integrated global navigation satellite system solution that supports
Gen8C-Lite (GPS, GLONASS, BeiDou, Galileo and QZSS) of Qualcomm.
The module supports standard NMEA-0183 protocol, and outputs NMEA sentences at 1 Hz data update
rate via USB interface by default.
By default, GNSS engine of the module is switched off. It has to be switched on via AT command. For
more details about GNSS engine technology and configurations, refer to
document [3]
.
4.2. GNSS Performance
The following table shows GNSS performance of the module.
Table 14: GNSS Performance
Parameter
Description
Conditions
Typ.
Unit
Sensitivity
(GNSS)
Cold start
Autonomous
-145
dBm
Reacquisition
Autonomous
-157
dBm
Tracking
Autonomous
-157
dBm
TTFF
(GNSS)
Cold start
@ open sky
Autonomous
34.56
s
XTRA enabled
19.41
s
Warm start
@ open sky
Autonomous
25.77
s
XTRA enabled
2.26
s